diff --git a/backend/src/main/java/org/dgu/backend/common/constant/SuccessStatus.java b/backend/src/main/java/org/dgu/backend/common/constant/SuccessStatus.java
index d5a4f4e..cdd6509 100644
--- a/backend/src/main/java/org/dgu/backend/common/constant/SuccessStatus.java
+++ b/backend/src/main/java/org/dgu/backend/common/constant/SuccessStatus.java
@@ -26,7 +26,9 @@ public enum SuccessStatus implements BaseCode {
     SUCCESS_GET_PORTFOLIOS(HttpStatus.OK, "200", "포트폴리오 조회에 성공했습니다."),
     SUCCESS_GET_PORTFOLIO_DETAILS(HttpStatus.OK, "200", "포트폴리오 상세 조회에 성공했습니다."),
     SUCCESS_DELETE_PORTFOLIO(HttpStatus.OK, "200", "포트폴리오 삭제에 성공했습니다."),
-    SUCCESS_EDIT_PORTFOLIO(HttpStatus.OK, "200", "포트폴리오 정보 수정에 성공했습니다.");
+    SUCCESS_EDIT_PORTFOLIO(HttpStatus.OK, "200", "포트폴리오 정보 수정에 성공했습니다."),
+    SUCCESS_ADD_PORTFOLIO_SCRAP(HttpStatus.CREATED, "201", "포트폴리오 즐겨찾기 추가에 성공했습니다."),
+    SUCCESS_DELETE_PORTFOLIO_SCRAP(HttpStatus.OK, "200", "포트폴리오 즐겨찾기 삭제에 성공했습니다.");
 
     private final HttpStatus httpStatus;
     private final String code;
diff --git a/backend/src/main/java/org/dgu/backend/controller/PortfolioController.java b/backend/src/main/java/org/dgu/backend/controller/PortfolioController.java
index 165765e..a454e5e 100644
--- a/backend/src/main/java/org/dgu/backend/controller/PortfolioController.java
+++ b/backend/src/main/java/org/dgu/backend/controller/PortfolioController.java
@@ -54,4 +54,24 @@ public ResponseEntity<ApiResponse<PortfolioDto.EditPortfolioResponse>> editPortf
         PortfolioDto.EditPortfolioResponse editPortfolioResponse = portfolioService.editPortfolio(authorizationHeader, editPortfolioRequest);
         return ApiResponse.onSuccess(SuccessStatus.SUCCESS_EDIT_PORTFOLIO, editPortfolioResponse);
     }
+
+    // 포트폴리오 즐겨찾기 추가 API
+    @PostMapping("/bookmark")
+    public ResponseEntity<ApiResponse<Object>> addPortfolioBookMark(
+            @RequestHeader("Authorization") String authorizationHeader,
+            @RequestParam("portfolio_id") String portfolioId) {
+
+        portfolioService.addPortfolioBookMark(authorizationHeader, portfolioId);
+        return ApiResponse.onSuccess(SuccessStatus.SUCCESS_ADD_PORTFOLIO_SCRAP);
+    }
+
+    // 포트폴리오 즐겨찾기 삭제 API
+    @DeleteMapping("/bookmark")
+    public ResponseEntity<ApiResponse<Object>> removePortfolioBookMark(
+            @RequestHeader("Authorization") String authorizationHeader,
+            @RequestParam("portfolio_id") String portfolioId) {
+
+        portfolioService.removePortfolioBookMark(authorizationHeader, portfolioId);
+        return ApiResponse.onSuccess(SuccessStatus.SUCCESS_DELETE_PORTFOLIO_SCRAP);
+    }
 }
\ No newline at end of file
diff --git a/backend/src/main/java/org/dgu/backend/domain/Portfolio.java b/backend/src/main/java/org/dgu/backend/domain/Portfolio.java
index bf02107..d262cf8 100644
--- a/backend/src/main/java/org/dgu/backend/domain/Portfolio.java
+++ b/backend/src/main/java/org/dgu/backend/domain/Portfolio.java
@@ -48,6 +48,9 @@ public class Portfolio extends BaseEntity {
     @Column(name = "is_saved", nullable = false, length = 1)
     private int isSaved;
 
+    @Column(name = "is_marked", nullable = false)
+    private Boolean isMarked;
+
     @OneToOne(mappedBy = "portfolio", cascade = CascadeType.ALL, orphanRemoval = true)
     private PortfolioOption portfolioOption;
 
@@ -64,6 +67,7 @@ public Portfolio(User user, String title, String description) {
         this.title = title;
         this.description = description;
         this.isSaved = 0;
+        this.isMarked = false;
     }
 
     public void savePortfolio(String comment) {
@@ -76,6 +80,14 @@ public void updateTitle(String title) {
         this.title = title;
     }
 
+    public void addBookMark() {
+        this.isMarked = true;
+    }
+
+    public void removeBookMark() {
+        this.isMarked = false;
+    }
+
     public void updateDescription(String description) {
         this.description = description;
     }
diff --git a/backend/src/main/java/org/dgu/backend/service/PortfolioService.java b/backend/src/main/java/org/dgu/backend/service/PortfolioService.java
index 175cb56..917907b 100644
--- a/backend/src/main/java/org/dgu/backend/service/PortfolioService.java
+++ b/backend/src/main/java/org/dgu/backend/service/PortfolioService.java
@@ -9,4 +9,6 @@ public interface PortfolioService {
     PortfolioDto.PortfolioDetailInfos getPortfolioDetails(String authorizationHeader, String portfolioId);
     void removePortfolio(String authorizationHeader, String portfolioId);
     PortfolioDto.EditPortfolioResponse editPortfolio(String authorizationHeader, PortfolioDto.EditPortfolioRequest editPortfolioRequest);
+    void addPortfolioBookMark(String authorizationHeader, String portfolioId);
+    void removePortfolioBookMark(String authorizationHeader, String portfolioId);
 }
\ No newline at end of file
diff --git a/backend/src/main/java/org/dgu/backend/service/PortfolioServiceImpl.java b/backend/src/main/java/org/dgu/backend/service/PortfolioServiceImpl.java
index b3e2256..7c16c9e 100644
--- a/backend/src/main/java/org/dgu/backend/service/PortfolioServiceImpl.java
+++ b/backend/src/main/java/org/dgu/backend/service/PortfolioServiceImpl.java
@@ -92,4 +92,28 @@ public PortfolioDto.EditPortfolioResponse editPortfolio(String authorizationHead
 
         return PortfolioDto.EditPortfolioResponse.of(portfolio);
     }
+
+    // 포트폴리오 즐겨찾기를 추가하는 메서드
+    @Override
+    public void addPortfolioBookMark(String authorizationHeader, String portfolioId) {
+        User user = jwtUtil.getUserFromHeader(authorizationHeader);
+
+        Portfolio portfolio = portfolioRepository.findByUserAndPortfolioId(user, UUID.fromString(portfolioId))
+                .orElseThrow(() -> new PortfolioException(PortfolioErrorResult.NOT_FOUND_PORTFOLIO));
+
+        portfolio.addBookMark();
+        portfolioRepository.save(portfolio);
+    }
+
+    // 포트폴리오 즐겨찾기를 삭제하는 메서드
+    @Override
+    public void removePortfolioBookMark(String authorizationHeader, String portfolioId) {
+        User user = jwtUtil.getUserFromHeader(authorizationHeader);
+
+        Portfolio portfolio = portfolioRepository.findByUserAndPortfolioId(user, UUID.fromString(portfolioId))
+                .orElseThrow(() -> new PortfolioException(PortfolioErrorResult.NOT_FOUND_PORTFOLIO));
+
+        portfolio.removeBookMark();
+        portfolioRepository.save(portfolio);
+    }
 }
\ No newline at end of file