diff --git a/src/main/java/com/cloudhandson/vpdbackoffice/service/VpdPolicyService.java b/src/main/java/com/cloudhandson/vpdbackoffice/service/VpdPolicyService.java
index 70c51e7..9cd09b7 100644
--- a/src/main/java/com/cloudhandson/vpdbackoffice/service/VpdPolicyService.java
+++ b/src/main/java/com/cloudhandson/vpdbackoffice/service/VpdPolicyService.java
@@ -56,6 +56,45 @@ public class VpdPolicyService {
     );
   }
 
+  @Transactional
+  public void saveFilterFunction(String functionOwnerValue, String functionNameValue, String filterPredicateValue) {
+    String currentUser = jdbcTemplate.queryForObject("SELECT USER FROM dual", String.class);
+    String functionOwner = functionOwnerValue == null || functionOwnerValue.isBlank()
+        ? currentUser
+        : requiredIdentifier(functionOwnerValue, "Function owner");
+    if (currentUser == null || !currentUser.equalsIgnoreCase(functionOwner)) {
+      throw new AppException("Filter function 등록/수정은 현재 연결 사용자 스키마에만 가능합니다. 현재 사용자: "
+          + currentUser + ", Function owner: " + functionOwner);
+    }
+    String functionName = requiredIdentifier(functionNameValue, "Function name");
+    String filterPredicate = filterPredicateValue == null ? "" : filterPredicateValue.trim();
+    if (filterPredicate.isBlank()) {
+      throw new AppException("Filter predicate는 필수입니다.");
+    }
+    createFilterFunction(functionName, filterPredicate);
+  }
+
+  @Transactional
+  public void replacePolicy(String oldObjectKey, String oldPolicyName, VpdPolicyCreateCommand command) {
+    String[] objectParts = oldObjectKey == null ? new String[0] : oldObjectKey.split("\\.", 2);
+    if (objectParts.length != 2) {
+      throw new AppException("수정할 Policy 대상 형식이 올바르지 않습니다: " + oldObjectKey);
+    }
+    String objectOwner = requiredIdentifier(objectParts[0], "Object owner");
+    String objectName = requiredIdentifier(objectParts[1], "Object name");
+    String policyName = requiredIdentifier(oldPolicyName, "Policy name");
+    jdbcTemplate.update("""
+        BEGIN
+          DBMS_RLS.DROP_POLICY(
+            object_schema => ?,
+            object_name   => ?,
+            policy_name   => ?
+          );
+        END;
+        """, objectOwner, objectName, policyName);
+    createPolicy(command);
+  }
+
   public VpdBulkApplyResult bulkApplySchema(
       String schemaOwner,
       boolean includeTables,
diff --git a/src/main/java/com/cloudhandson/vpdbackoffice/web/VpdPolicyController.java b/src/main/java/com/cloudhandson/vpdbackoffice/web/VpdPolicyController.java
index a776d6e..d111e64 100644
--- a/src/main/java/com/cloudhandson/vpdbackoffice/web/VpdPolicyController.java
+++ b/src/main/java/com/cloudhandson/vpdbackoffice/web/VpdPolicyController.java
@@ -86,6 +86,67 @@ public class VpdPolicyController {
     return "redirect:/vpd-filter-policies";
   }
 
+  @PostMapping("/vpd-filter-policies/filters")
+  public String saveFilter(
+      @RequestParam(required = false) String functionOwner,
+      @RequestParam String functionName,
+      @RequestParam String filterPredicate,
+      RedirectAttributes redirectAttributes
+  ) {
+    try {
+      vpdPolicyService.saveFilterFunction(functionOwner, functionName, filterPredicate);
+      redirectAttributes.addFlashAttribute("successMessage", "Filter function을 저장했습니다: " + functionName);
+    } catch (AppException exception) {
+      redirectAttributes.addFlashAttribute("errorMessage", exception.getMessage());
+    } catch (DataAccessException exception) {
+      RuntimeErrorMessage message = RuntimeErrorMessages.dataAccess(exception);
+      redirectAttributes.addFlashAttribute("errorMessage", message.message());
+    }
+    return "redirect:/vpd-filter-policies";
+  }
+
+  @PostMapping("/vpd-filter-policies/replace")
+  public String replaceFilterPolicy(
+      @RequestParam String oldObjectKey,
+      @RequestParam String oldPolicyName,
+      @RequestParam String objectKey,
+      @RequestParam String policyName,
+      @RequestParam(required = false) String functionKey,
+      @RequestParam(required = false) String functionOwner,
+      @RequestParam(required = false) String functionName,
+      @RequestParam(defaultValue = "SELECT") List<String> statementTypes,
+      @RequestParam(defaultValue = "false") boolean enabled,
+      @RequestParam(defaultValue = "false") boolean updateCheck,
+      @RequestParam(required = false) String filterPredicate,
+      RedirectAttributes redirectAttributes
+  ) {
+    try {
+      String[] objectParts = objectKey.split("\\.", 2);
+      if (objectParts.length != 2) {
+        throw new AppException("조회 대상 형식이 올바르지 않습니다: " + objectKey);
+      }
+      vpdPolicyService.replacePolicy(oldObjectKey, oldPolicyName, new VpdPolicyCreateCommand(
+          objectParts[0],
+          objectParts[1],
+          policyName,
+          functionKey,
+          functionOwner,
+          functionName,
+          String.join(",", statementTypes),
+          enabled,
+          updateCheck,
+          filterPredicate
+      ));
+      redirectAttributes.addFlashAttribute("successMessage", "Policy를 수정했습니다: " + policyName);
+    } catch (AppException exception) {
+      redirectAttributes.addFlashAttribute("errorMessage", exception.getMessage());
+    } catch (DataAccessException exception) {
+      RuntimeErrorMessage message = RuntimeErrorMessages.dataAccess(exception);
+      redirectAttributes.addFlashAttribute("errorMessage", message.message());
+    }
+    return "redirect:/vpd-filter-policies";
+  }
+
   private void createPolicyInternal(
       String objectKey,
       String policyName,
diff --git a/src/main/resources/templates/vpd-filter-policies.html b/src/main/resources/templates/vpd-filter-policies.html
index 589abea..6c916d4 100644
--- a/src/main/resources/templates/vpd-filter-policies.html
+++ b/src/main/resources/templates/vpd-filter-policies.html
@@ -18,9 +18,81 @@
 
   <section class="content-band">
     <div class="section-heading">
-      <h2>Filter Policy 등록</h2>
+      <h2>Filter 등록/수정</h2>
       <a class="btn btn-sm rw-btn-secondary" href="/vpd-policies">적용 현황 보기</a>
     </div>
+    <form method="post" action="/vpd-filter-policies/filters" class="form-grid">
+      <input type="hidden" th:name="${_csrf.parameterName}" th:value="${_csrf.token}">
+      <label>
+        Function Owner
+        <select class="form-select" name="functionOwner">
+          <option value="">현재 연결 사용자</option>
+          <option th:each="owner : ${formOptions.owners()}" th:value="${owner}" th:text="${owner}"></option>
+        </select>
+      </label>
+      <label>
+        Function 이름
+        <input class="form-control" name="functionName" list="filter-function-names"
+               placeholder="예: BOARD_POSTS_FILTER" required>
+      </label>
+      <label class="span-2">
+        Filter predicate
+        <textarea class="form-control" id="filter-only-predicate" name="filterPredicate" rows="4"
+                  placeholder="예: dept_code = SYS_CONTEXT(''CB_AGENT_CTX'', ''DEPT_CODE'')" required></textarea>
+      </label>
+      <div class="question-presets span-2" aria-label="Filter predicate 예시">
+        <button class="btn rw-btn-secondary question-preset" type="button" data-target="filter-only-predicate" data-question="1=0">전체 차단</button>
+        <button class="btn rw-btn-secondary question-preset" type="button" data-target="filter-only-predicate" data-question="1=1">전체 허용</button>
+        <button class="btn rw-btn-secondary question-preset" type="button" data-target="filter-only-predicate" data-question="dept_code = SYS_CONTEXT('CB_AGENT_CTX', 'DEPT_CODE')">부서 일치</button>
+        <button class="btn rw-btn-secondary question-preset" type="button" data-target="filter-only-predicate" data-question="owner_emp_no = SYS_CONTEXT('CB_AGENT_CTX', 'EMP_NO')">본인 소유</button>
+      </div>
+      <button class="btn rw-btn-primary" type="submit">Filter 저장</button>
+    </form>
+    <datalist id="filter-function-names">
+      <option th:each="function : ${formOptions.functions()}" th:value="${function.functionName()}"></option>
+    </datalist>
+  </section>
+
+  <section class="content-band">
+    <div class="section-heading">
+      <h2>Filter 목록</h2>
+      <span class="badge text-bg-secondary" th:text="${#lists.size(formOptions.functions())}">0</span>
+    </div>
+    <div class="table-responsive">
+      <table class="table table-sm align-middle">
+        <thead>
+        <tr>
+          <th>Function</th>
+          <th>Type</th>
+          <th>수정</th>
+        </tr>
+        </thead>
+        <tbody>
+        <tr th:each="function : ${formOptions.functions()}">
+          <td><code th:text="${function.value()}">ADMIN.FILTER</code></td>
+          <td th:text="${function.objectType()}">FUNCTION</td>
+          <td>
+            <form method="post" action="/vpd-filter-policies/filters" class="inline-form">
+              <input type="hidden" th:name="${_csrf.parameterName}" th:value="${_csrf.token}">
+              <input type="hidden" name="functionOwner" th:value="${function.owner()}">
+              <input type="hidden" name="functionName" th:value="${function.functionName()}">
+              <input class="form-control form-control-sm" name="filterPredicate" placeholder="새 predicate">
+              <button class="btn btn-sm rw-btn-secondary" type="submit">저장</button>
+            </form>
+          </td>
+        </tr>
+        <tr th:if="${#lists.isEmpty(formOptions.functions())}">
+          <td colspan="3" class="text-muted">등록된 VPD filter function 후보가 없습니다.</td>
+        </tr>
+        </tbody>
+      </table>
+    </div>
+  </section>
+
+  <section class="content-band">
+    <div class="section-heading">
+      <h2>Policy 등록</h2>
+    </div>
     <form method="post" action="/vpd-filter-policies" class="form-grid">
       <input type="hidden" th:name="${_csrf.parameterName}" th:value="${_csrf.token}">
       <label>
@@ -99,6 +171,55 @@
     </form>
   </section>
 
+  <section class="content-band">
+    <div class="section-heading">
+      <h2>Policy 목록/수정</h2>
+      <span class="badge text-bg-secondary" th:text="${#lists.size(policies)}">0</span>
+    </div>
+    <div class="table-responsive">
+      <table class="table table-sm align-middle">
+        <thead>
+        <tr>
+          <th>Object</th>
+          <th>Policy</th>
+          <th>Function</th>
+          <th>Status</th>
+          <th>수정</th>
+        </tr>
+        </thead>
+        <tbody>
+        <tr th:each="policy : ${policies}">
+          <td><code th:text="${policy.objectDisplayName()}">ADMIN.TABLE</code></td>
+          <td><code th:text="${policy.policyName()}">POLICY</code></td>
+          <td><code th:text="${policy.functionDisplayName()}">ADMIN.FILTER</code></td>
+          <td th:text="${policy.enabled()}">YES</td>
+          <td>
+            <form method="post" action="/vpd-filter-policies/replace" class="inline-form">
+              <input type="hidden" th:name="${_csrf.parameterName}" th:value="${_csrf.token}">
+              <input type="hidden" name="oldObjectKey" th:value="${policy.objectDisplayName()}">
+              <input type="hidden" name="oldPolicyName" th:value="${policy.policyName()}">
+              <input type="hidden" name="objectKey" th:value="${policy.objectDisplayName()}">
+              <input class="form-control form-control-sm" name="policyName" th:value="${policy.policyName()}">
+              <select class="form-select form-select-sm" name="functionKey">
+                <option th:each="function : ${formOptions.functions()}"
+                        th:value="${function.value()}"
+                        th:text="${function.value()}"
+                        th:selected="${function.value() == policy.functionDisplayName()}"></option>
+              </select>
+              <input type="hidden" name="enabled" value="true">
+              <input type="hidden" name="statementTypes" th:value="${policy.statementTypes()} ?: 'SELECT'">
+              <button class="btn btn-sm rw-btn-secondary" type="submit">수정</button>
+            </form>
+          </td>
+        </tr>
+        <tr th:if="${#lists.isEmpty(policies)}">
+          <td colspan="5" class="text-muted">등록된 VPD policy가 없습니다.</td>
+        </tr>
+        </tbody>
+      </table>
+    </div>
+  </section>
+
   <section class="content-band">
     <div class="section-heading">
       <h2>스키마 벌크 적용</h2>
diff --git a/src/main/resources/templates/vpd-policies.html b/src/main/resources/templates/vpd-policies.html
index f5fa982..01cf633 100644
--- a/src/main/resources/templates/vpd-policies.html
+++ b/src/main/resources/templates/vpd-policies.html
@@ -6,7 +6,7 @@
 <main class="container py-4">
   <div class="page-title">
     <h1>VPD 설정</h1>
-    <p>보호 객체에 Oracle VPD policy를 등록하고, policy function/filter predicate를 확인합니다.</p>
+    <p>보호 객체에 적용된 Oracle VPD policy와 policy function/filter predicate를 확인합니다.</p>
   </div>
 
   <div class="alert alert-warning" th:if="${runtimeError}">
@@ -18,204 +18,10 @@
 
   <section class="content-band">
     <div class="section-heading">
-      <h2>Policy 등록</h2>
+      <h2>적용 현황</h2>
+      <a class="btn btn-sm rw-btn-primary" href="/vpd-filter-policies">Filter Policy 관리</a>
     </div>
-    <form method="post" action="/vpd-policies" class="form-grid">
-      <input type="hidden" th:name="${_csrf.parameterName}" th:value="${_csrf.token}">
-      <label>
-        VPD 적용 대상
-        <select class="form-select" name="objectKey" required>
-          <option th:each="object : ${objects}"
-                  th:value="${object.owner() + '.' + object.objectName()}"
-                  th:text="${object.displayName() + ' / ' + object.ordsPath()}"></option>
-        </select>
-      </label>
-      <label>
-        Policy 이름
-        <select class="form-select" name="policyName" required>
-          <option th:each="policyName : ${formOptions.policyNames()}"
-                  th:value="${policyName}"
-                  th:text="${policyName}"></option>
-        </select>
-      </label>
-      <label class="span-2">
-        기존 Function 선택
-        <select class="form-select" name="functionKey">
-          <option value="">Filter predicate로 새 function 자동 생성</option>
-          <option th:each="function : ${formOptions.functions()}"
-                  th:value="${function.value()}"
-                  th:text="${function.label()}"></option>
-        </select>
-      </label>
-      <label>
-        Function Owner
-        <select class="form-select" name="functionOwner">
-          <option value="">현재 연결 사용자</option>
-          <option th:each="owner : ${formOptions.owners()}"
-                  th:value="${owner}"
-                  th:text="${owner}"></option>
-        </select>
-      </label>
-      <label>
-        Function 이름
-        <select class="form-select" name="functionName">
-          <option value="">POLICY_NAME_FILTER 자동 생성</option>
-          <option th:each="function : ${formOptions.functions()}"
-                  th:value="${function.functionName()}"
-                  th:text="${function.functionName()}"></option>
-        </select>
-      </label>
-      <div>
-        Statement Types
-        <div class="checkbox-row">
-          <label class="form-check" th:each="statement : ${formOptions.statementTypes()}">
-            <input class="form-check-input"
-                   type="checkbox"
-                   name="statementTypes"
-                   th:value="${statement}"
-                   th:checked="${statement == 'SELECT'}">
-            <span class="form-check-label" th:text="${statement}">SELECT</span>
-          </label>
-        </div>
-      </div>
-      <div class="form-check align-self-end">
-        <input class="form-check-input" id="vpd-enabled" type="checkbox" name="enabled" value="true" checked>
-        <label class="form-check-label" for="vpd-enabled">등록 즉시 활성화</label>
-      </div>
-      <div class="form-check span-2">
-        <input class="form-check-input" id="vpd-update-check" type="checkbox" name="updateCheck" value="true">
-        <label class="form-check-label" for="vpd-update-check">INSERT/UPDATE에도 predicate check 적용</label>
-      </div>
-      <label class="span-2">
-        Filter predicate
-        <textarea class="form-control" id="vpd-filter-predicate" name="filterPredicate" rows="4"
-                  placeholder="예: dept_code = SYS_CONTEXT(''CB_AGENT_CTX'', ''DEPT_CODE'')&#10;비우면 기존 Function 이름으로 ADD_POLICY만 실행합니다."></textarea>
-      </label>
-      <div class="question-presets span-2" aria-label="Filter predicate 예시">
-        <button class="btn rw-btn-secondary question-preset" type="button"
-                data-target="vpd-filter-predicate"
-                data-question="1=0">
-          전체 차단
-        </button>
-        <button class="btn rw-btn-secondary question-preset" type="button"
-                data-target="vpd-filter-predicate"
-                data-question="1=1">
-          전체 허용
-        </button>
-        <button class="btn rw-btn-secondary question-preset" type="button"
-                data-target="vpd-filter-predicate"
-                data-question="dept_code = SYS_CONTEXT('CB_AGENT_CTX', 'DEPT_CODE')">
-          부서 일치
-        </button>
-        <button class="btn rw-btn-secondary question-preset" type="button"
-                data-target="vpd-filter-predicate"
-                data-question="owner_emp_no = SYS_CONTEXT('CB_AGENT_CTX', 'EMP_NO')">
-          본인 소유
-        </button>
-      </div>
-      <button class="btn rw-btn-primary" type="submit">Policy 등록</button>
-    </form>
-  </section>
-
-  <section class="content-band">
-    <div class="section-heading">
-      <h2>스키마 벌크 적용</h2>
-    </div>
-    <form method="post" action="/vpd-policies/bulk" class="form-grid">
-      <input type="hidden" th:name="${_csrf.parameterName}" th:value="${_csrf.token}">
-      <label>
-        Schema
-        <select class="form-select" name="schemaOwner" required>
-          <option th:each="owner : ${formOptions.schemaOwners()}"
-                  th:value="${owner}"
-                  th:text="${owner}"></option>
-        </select>
-      </label>
-      <div>
-        Object Types
-        <div class="checkbox-row">
-          <label class="form-check">
-            <input class="form-check-input" type="checkbox" name="includeTables" value="true" checked>
-            <span class="form-check-label">TABLE</span>
-          </label>
-          <label class="form-check">
-            <input class="form-check-input" type="checkbox" name="includeViews" value="true" checked>
-            <span class="form-check-label">VIEW</span>
-          </label>
-        </div>
-      </div>
-      <label class="span-2">
-        기존 Function 선택
-        <select class="form-select" name="functionKey">
-          <option value="">Filter predicate로 벌크 function 자동 생성</option>
-          <option th:each="function : ${formOptions.functions()}"
-                  th:value="${function.value()}"
-                  th:text="${function.label()}"></option>
-        </select>
-      </label>
-      <label>
-        Function Owner
-        <select class="form-select" name="functionOwner">
-          <option value="">현재 연결 사용자</option>
-          <option th:each="owner : ${formOptions.owners()}"
-                  th:value="${owner}"
-                  th:text="${owner}"></option>
-        </select>
-      </label>
-      <label>
-        Function 이름
-        <select class="form-select" name="functionName">
-          <option value="">SCHEMA_BULK_FILTER 자동 생성</option>
-          <option th:each="function : ${formOptions.functions()}"
-                  th:value="${function.functionName()}"
-                  th:text="${function.functionName()}"></option>
-        </select>
-      </label>
-      <div>
-        Statement Types
-        <div class="checkbox-row">
-          <label class="form-check" th:each="statement : ${formOptions.statementTypes()}">
-            <input class="form-check-input"
-                   type="checkbox"
-                   name="statementTypes"
-                   th:value="${statement}"
-                   th:checked="${statement == 'SELECT'}">
-            <span class="form-check-label" th:text="${statement}">SELECT</span>
-          </label>
-        </div>
-      </div>
-      <div class="form-check align-self-end">
-        <input class="form-check-input" id="vpd-bulk-enabled" type="checkbox" name="enabled" value="true" checked>
-        <label class="form-check-label" for="vpd-bulk-enabled">등록 즉시 활성화</label>
-      </div>
-      <div class="form-check span-2">
-        <input class="form-check-input" id="vpd-bulk-update-check" type="checkbox" name="updateCheck" value="true">
-        <label class="form-check-label" for="vpd-bulk-update-check">INSERT/UPDATE에도 predicate check 적용</label>
-      </div>
-      <label class="span-2">
-        Filter predicate
-        <textarea class="form-control" id="vpd-bulk-filter-predicate" name="filterPredicate" rows="4"
-                  placeholder="기존 Function을 선택하지 않으면 이 predicate로 스키마 공통 function을 생성합니다."></textarea>
-      </label>
-      <div class="question-presets span-2" aria-label="Bulk filter predicate 예시">
-        <button class="btn rw-btn-secondary question-preset" type="button"
-                data-target="vpd-bulk-filter-predicate"
-                data-question="1=0">
-          전체 차단
-        </button>
-        <button class="btn rw-btn-secondary question-preset" type="button"
-                data-target="vpd-bulk-filter-predicate"
-                data-question="dept_code = SYS_CONTEXT('CB_AGENT_CTX', 'DEPT_CODE')">
-          부서 일치
-        </button>
-        <button class="btn rw-btn-secondary question-preset" type="button"
-                data-target="vpd-bulk-filter-predicate"
-                data-question="owner_emp_no = SYS_CONTEXT('CB_AGENT_CTX', 'EMP_NO')">
-          본인 소유
-        </button>
-      </div>
-      <button class="btn rw-btn-primary" type="submit">스키마 전체 적용</button>
-    </form>
+    <p class="text-muted mb-0">이 화면은 현재 DB에 적용된 VPD policy와 policy function/filter 상세를 조회합니다. 등록과 벌크 적용은 Filter Policy 관리에서 수행합니다.</p>
   </section>
 
   <section class="content-band">
@@ -310,17 +116,5 @@
     </div>
   </section>
 </main>
-<script>
-  document.querySelectorAll('.question-preset').forEach((button) => {
-    button.addEventListener('click', () => {
-      const target = document.getElementById(button.dataset.target || '');
-      if (!target) {
-        return;
-      }
-      target.value = button.dataset.question || '';
-      target.focus();
-    });
-  });
-</script>
 </body>
 </html>