diff --git a/src/main/java/kr/re/etri/autoflow/controllers/AuthController.java b/src/main/java/kr/re/etri/autoflow/controllers/AuthController.java
index 0703fef..d4d9433 100644
--- a/src/main/java/kr/re/etri/autoflow/controllers/AuthController.java
+++ b/src/main/java/kr/re/etri/autoflow/controllers/AuthController.java
@@ -38,7 +38,7 @@ import io.swagger.v3.oas.annotations.tags.Tag;
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
 import io.swagger.v3.oas.annotations.responses.ApiResponses;
 
-@Tag(name = "Authentication", description = "User Authentication APIs")
+@Tag(name = "권한", description = "유저 권한 API")
 @CrossOrigin(origins = "*", maxAge = 3600)
 @RestController
 @RequestMapping("/api/auth")
diff --git a/src/main/java/kr/re/etri/autoflow/controllers/DataGroupController.java b/src/main/java/kr/re/etri/autoflow/controllers/DataGroupController.java
index 0b173db..49ab902 100644
--- a/src/main/java/kr/re/etri/autoflow/controllers/DataGroupController.java
+++ b/src/main/java/kr/re/etri/autoflow/controllers/DataGroupController.java
@@ -5,10 +5,9 @@ import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.enums.ParameterIn;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import kr.re.etri.autoflow.entity.DataGroupEntity;
-import kr.re.etri.autoflow.payload.request.BaseSearchRequest;
+import kr.re.etri.autoflow.payload.request.ProjectBaseSearchRequest;
 import kr.re.etri.autoflow.payload.request.ProjectRequest;
 import kr.re.etri.autoflow.service.DataGroupService;
-import kr.re.etri.autoflow.service.ProjectService;
 import lombok.RequiredArgsConstructor;
 import org.springdoc.core.annotations.ParameterObject;
 import org.springframework.data.domain.Page;
@@ -17,7 +16,7 @@ import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
 
-@Tag(name = "데이터 그룹", description = "Project CRUD 기능 제공")
+@Tag(name = "데이터 그룹", description = "데이터 그룹 CRUD 기능 제공")
 @CrossOrigin(origins = "*", maxAge = 3600)
 @RestController
 @RequestMapping("/api/datagroup")
@@ -26,16 +25,16 @@ public class DataGroupController {
 
     private final DataGroupService dataGroupService;
 
-    @Operation(summary = "전체 프로젝트 목록 조회")
+    @Operation(summary = "전체 데이터 그룹 목록 조회")
     @GetMapping
     public ResponseEntity<List<DataGroupEntity>> getAllProjects() {
         return ResponseEntity.ok(dataGroupService.findAll());
     }
 
-    @Operation(summary = "ID로 프로젝트 조회")
+    @Operation(summary = "ID로 데이터 그룹 조회")
     @GetMapping("/{id}")
     public ResponseEntity<DataGroupEntity> getProjectById(
-            @Parameter(description = "조회할 프로젝트 ID", required = true, in = ParameterIn.PATH)
+            @Parameter(description = "조회할 데이터 그룹 ID", required = true, in = ParameterIn.PATH)
             @PathVariable("id") Long id) {
 
         return dataGroupService.findById(id)
@@ -43,15 +42,15 @@ public class DataGroupController {
                 .orElse(ResponseEntity.notFound().build());
     }
 
-    @Operation(summary = "검색 및 페이지네이션 프로젝트 목록 조회")
+    @Operation(summary = "검색 및 페이지네이션 데이터 그룹 목록 조회")
     @GetMapping("/search")
     public ResponseEntity<Page<DataGroupEntity>> searchProjects(
-            @ParameterObject @ModelAttribute BaseSearchRequest request) {
+            @ParameterObject @ModelAttribute ProjectBaseSearchRequest request) {
         Page<DataGroupEntity> page = dataGroupService.search(request);
         return ResponseEntity.ok(page);
     }
 
-    @Operation(summary = "프로젝트 생성")
+    @Operation(summary = "데이터 그룹 생성")
     @PostMapping
     public ResponseEntity<?> createProject(@RequestBody DataGroupEntity project) {
         try {
@@ -62,10 +61,10 @@ public class DataGroupController {
         }
     }
 
-    @Operation(summary = "프로젝트 수정")
+    @Operation(summary = "데이터 그룹 수정")
     @PutMapping("/{id}")
     public ResponseEntity<DataGroupEntity> updateProject(
-            @Parameter(description = "수정할 프로젝트 ID", required = true, in =  ParameterIn.PATH)
+            @Parameter(description = "수정할 데이터 그룹 ID", required = true, in =  ParameterIn.PATH)
             @PathVariable("id") Long id,
             @RequestBody ProjectRequest dto) {
 
@@ -74,10 +73,10 @@ public class DataGroupController {
                 .orElse(ResponseEntity.notFound().build());
     }
 
-    @Operation(summary = "프로젝트 삭제")
+    @Operation(summary = "데이터 그룹 삭제")
     @DeleteMapping("/{id}")
     public ResponseEntity<Void> deleteProject(
-            @Parameter(description = "삭제할 프로젝트 ID", required = true, in = ParameterIn.PATH)
+            @Parameter(description = "삭제할 데이터 그룹 ID", required = true, in = ParameterIn.PATH)
             @PathVariable("id") Long id) {
         if (dataGroupService.delete(id)) {
             return ResponseEntity.noContent().build();
diff --git a/src/main/java/kr/re/etri/autoflow/controllers/MinIOController.java b/src/main/java/kr/re/etri/autoflow/controllers/MinIOController.java
index f3782cd..0bde85d 100644
--- a/src/main/java/kr/re/etri/autoflow/controllers/MinIOController.java
+++ b/src/main/java/kr/re/etri/autoflow/controllers/MinIOController.java
@@ -25,7 +25,7 @@ import java.util.*;
 @RequestMapping("/api/minio")
 @RequiredArgsConstructor
 @Slf4j
-@Tag(name = "MinIO Controller", description = "MinIO 버킷/파일 관리 API")
+@Tag(name = "MinIO 업로드 관련", description = "MinIO 버킷/파일 관리 API")
 public class MinIOController {
     private final MinioClient minioClient;
     private final DatasetAttachmentRepository datasetAttachmentRepository;
diff --git a/src/main/java/kr/re/etri/autoflow/controllers/WorkFlowController.java b/src/main/java/kr/re/etri/autoflow/controllers/WorkFlowController.java
index d605819..5a296e3 100644
--- a/src/main/java/kr/re/etri/autoflow/controllers/WorkFlowController.java
+++ b/src/main/java/kr/re/etri/autoflow/controllers/WorkFlowController.java
@@ -4,7 +4,7 @@ import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import kr.re.etri.autoflow.entity.WorkflowEntity;
-import kr.re.etri.autoflow.payload.request.WorkFlowRequest;
+import kr.re.etri.autoflow.payload.request.ProjectBaseSearchRequest;
 import kr.re.etri.autoflow.service.WorkFlowService;
 import lombok.RequiredArgsConstructor;
 import org.springdoc.core.annotations.ParameterObject;
@@ -41,7 +41,7 @@ public class WorkFlowController {
     @Operation(summary = "워크플로우 검색 및 페이지네이션 프로젝트 목록 조회")
     @GetMapping("/search")
     public ResponseEntity<Page<WorkflowEntity>> searchProjects(
-            @ParameterObject @ModelAttribute WorkFlowRequest request) {
+            @ParameterObject @ModelAttribute ProjectBaseSearchRequest request) {
         Page<WorkflowEntity> page = workflowService.search(request);
         return ResponseEntity.ok(page);
     }
diff --git a/src/main/java/kr/re/etri/autoflow/entity/DataGroupEntity.java b/src/main/java/kr/re/etri/autoflow/entity/DataGroupEntity.java
index 3192608..759042d 100644
--- a/src/main/java/kr/re/etri/autoflow/entity/DataGroupEntity.java
+++ b/src/main/java/kr/re/etri/autoflow/entity/DataGroupEntity.java
@@ -66,6 +66,10 @@ public class DataGroupEntity {
     @Comment("수정 유저 이름")
     private String modUserNm;
 
+    @Schema(description = "프로젝트 아이디", example = "1", defaultValue = "0")
+    @Column(nullable = false)
+    private Long projectId;
+
     @OneToMany
     @JoinColumn(name = "refId", referencedColumnName = "id", insertable = false, updatable = false)
     private List<DatasetAttachmentEntity> files = new ArrayList<>();
diff --git a/src/main/java/kr/re/etri/autoflow/payload/request/WorkFlowRequest.java b/src/main/java/kr/re/etri/autoflow/payload/request/ProjectBaseSearchRequest.java
similarity index 79%
rename from src/main/java/kr/re/etri/autoflow/payload/request/WorkFlowRequest.java
rename to src/main/java/kr/re/etri/autoflow/payload/request/ProjectBaseSearchRequest.java
index c08247a..3e947c7 100644
--- a/src/main/java/kr/re/etri/autoflow/payload/request/WorkFlowRequest.java
+++ b/src/main/java/kr/re/etri/autoflow/payload/request/ProjectBaseSearchRequest.java
@@ -6,7 +6,7 @@ import lombok.Setter;
 
 @Getter
 @Setter
-public class WorkFlowRequest extends BaseSearchRequest {
+public class ProjectBaseSearchRequest extends BaseSearchRequest {
     @Schema(description = "프로젝트 ID", example = "1")
     private Long projectId;
 }
diff --git a/src/main/java/kr/re/etri/autoflow/service/DataGroupService.java b/src/main/java/kr/re/etri/autoflow/service/DataGroupService.java
index 433bc40..e204ac7 100644
--- a/src/main/java/kr/re/etri/autoflow/service/DataGroupService.java
+++ b/src/main/java/kr/re/etri/autoflow/service/DataGroupService.java
@@ -1,14 +1,10 @@
 package kr.re.etri.autoflow.service;
 
 import kr.re.etri.autoflow.entity.DataGroupEntity;
-import kr.re.etri.autoflow.payload.request.BaseSearchRequest;
+import kr.re.etri.autoflow.payload.request.ProjectBaseSearchRequest;
 import kr.re.etri.autoflow.payload.request.ProjectRequest;
 import kr.re.etri.autoflow.repository.DataGroupRepository;
-import kr.re.etri.autoflow.repository.ProjectRepository;
-import kr.re.etri.autoflow.repository.UserProjectMapRepository;
-import kr.re.etri.autoflow.repository.UserRepository;
 import kr.re.etri.autoflow.specification.DataGroupSpecification;
-import kr.re.etri.autoflow.specification.ProjectSpecification;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.BeanUtils;
 import org.springframework.data.domain.Page;
@@ -44,7 +40,7 @@ public class DataGroupService {
         return dataGroupRepository.findById(id);
     }
 
-    public Page<DataGroupEntity> search(BaseSearchRequest request) {
+    public Page<DataGroupEntity> search(ProjectBaseSearchRequest request) {
         int pageIndex = request.getPage() > 0 ? request.getPage() - 1 : 0;
 
         Pageable pageable = PageRequest.of(
@@ -63,9 +59,17 @@ public class DataGroupService {
                 endDate
         );
 
+
+        if (request.getProjectId() != null) {
+            spec = spec.and((root, query, cb) ->
+                    cb.equal(root.get("projectId"), request.getProjectId())
+            );
+        }
+
         return dataGroupRepository.findAll(spec, pageable);
     }
 
+
     private LocalDate parseDate(String dateStr) {
         if (dateStr == null || dateStr.isBlank()) return null;
         try {
diff --git a/src/main/java/kr/re/etri/autoflow/service/WorkFlowService.java b/src/main/java/kr/re/etri/autoflow/service/WorkFlowService.java
index ed8901b..3e73d7a 100644
--- a/src/main/java/kr/re/etri/autoflow/service/WorkFlowService.java
+++ b/src/main/java/kr/re/etri/autoflow/service/WorkFlowService.java
@@ -3,7 +3,7 @@ package kr.re.etri.autoflow.service;
 import jakarta.transaction.Transactional;
 import kr.re.etri.autoflow.entity.WorkflowEntity;
 import kr.re.etri.autoflow.payload.request.BaseSearchRequest;
-import kr.re.etri.autoflow.payload.request.WorkFlowRequest;
+import kr.re.etri.autoflow.payload.request.ProjectBaseSearchRequest;
 import kr.re.etri.autoflow.repository.WorkflowRepository;
 import kr.re.etri.autoflow.specification.WorkflowSpecification;
 import lombok.RequiredArgsConstructor;
@@ -58,7 +58,7 @@ public class WorkFlowService {
     }
 
     @Transactional
-    public Page<WorkflowEntity> search(WorkFlowRequest request) {
+    public Page<WorkflowEntity> search(ProjectBaseSearchRequest request) {
         int pageIndex = request.getPage() > 0 ? request.getPage() - 1 : 0;
 
         Pageable pageable = PageRequest.of(