diff --git a/src/main/java/com/loafle/overflow/module/member/service/MemberService.java b/src/main/java/com/loafle/overflow/module/member/service/MemberService.java
index 8422891..7190e7d 100644
--- a/src/main/java/com/loafle/overflow/module/member/service/MemberService.java
+++ b/src/main/java/com/loafle/overflow/module/member/service/MemberService.java
@@ -6,7 +6,9 @@ import com.loafle.overflow.module.member.exception.*;
 import com.loafle.overflow.module.member.model.Member;
 import com.loafle.overflow.module.meta.model.MetaMemberStatus;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
 
 /**
@@ -21,6 +23,8 @@ public class MemberService {
     @Autowired
     private EmailAuthService emailAuthService;
 
+    private BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
+
     public Member signin(String signinId, String signinPw) throws SignInIdNotExistException, EmailNotConfirmedException, SignInPwNotMatchException {
         Member m = this.memberDAO.findByEmail(signinId);
 
@@ -32,7 +36,6 @@ public class MemberService {
             throw new EmailNotConfirmedException();
         }
 
-        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
         Boolean match = passwordEncoder.matches(signinPw, m.getPw());
         if(!match) {
             throw new SignInPwNotMatchException();
@@ -49,7 +52,6 @@ public class MemberService {
             throw new JoinedEmailException();
         }
 
-        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
         member.setPw(passwordEncoder.encode(pw));
 
         if (member.getStatus() == null) {
@@ -71,7 +73,6 @@ public class MemberService {
 
         Member preMember = this.memberDAO.findByEmail(member.getEmail());
 
-        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
         member.setPw(passwordEncoder.encode(pw));
         Boolean match = passwordEncoder.matches(member.getPw(), preMember.getPw());
         if(match) {
@@ -81,6 +82,33 @@ public class MemberService {
         return this.memberDAO.save(member);
     }
 
+    public Member confirmPw(String signinId, String signinPw) {
+
+        Member preMember = this.memberDAO.findByEmail(signinId);
+
+        String encodePw = passwordEncoder.encode(signinPw);
+        Boolean match = passwordEncoder.matches(encodePw, preMember.getPw());
+
+        if (!match) {
+            throw new SignInPwNotMatchException();
+        }
+
+        return preMember;
+    }
+
+    public Member forgotPassword(String signinId, String newPw) {
+        Member preMember = this.memberDAO.findByEmail(signinId);
+
+        if (null == preMember) {
+            throw new SignInIdNotExistException();
+        }
+
+        preMember.setPw(this.passwordEncoder.encode(newPw));
+        this.memberDAO.save(preMember);
+
+        return preMember;
+    }
+
     public Member read(long memberId) {
         if (memberId <= 0) {
             // Todo MemberId null Exception