diff --git a/mutbooks/src/test/java/com/example/mutbooks/app/member/service/MemberServiceTest.java b/mutbooks/src/test/java/com/example/mutbooks/app/member/service/MemberServiceTest.java
new file mode 100644
index 0000000..b20aa3e
--- /dev/null
+++ b/mutbooks/src/test/java/com/example/mutbooks/app/member/service/MemberServiceTest.java
@@ -0,0 +1,103 @@
+package com.example.mutbooks.app.member.service;
+
+import com.example.mutbooks.app.member.entity.AuthLevel;
+import com.example.mutbooks.app.member.entity.Member;
+import com.example.mutbooks.app.member.exception.EmailDuplicationException;
+import com.example.mutbooks.app.member.exception.UsernameDuplicationException;
+import com.example.mutbooks.app.member.form.JoinForm;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.transaction.annotation.Transactional;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+@SpringBootTest
+@Transactional
+@ActiveProfiles("test")
+class MemberServiceTest {
+    @Autowired
+    private MemberService memberService;
+
+    @Autowired
+    private PasswordEncoder passwordEncoder;
+
+    @Test
+    @DisplayName("일반 유저 회원가입")
+    void join1() {
+        // given
+        JoinForm joinForm = JoinForm.builder()
+                .username("user5")
+                .password("1234")
+                .email("user5@test.com")
+                .nickname("사과")
+                .build();
+        // when
+        Member member = memberService.join(joinForm);
+        // then
+        assertThat(member.getUsername()).isEqualTo("user5");
+        assertTrue(passwordEncoder.matches("1234", member.getPassword()));
+        assertThat(member.getNickname()).isEqualTo("사과");
+        assertThat(member.getEmail()).isEqualTo("user5@test.com");
+        assertThat(member.getEmailVerified()).isEqualTo(false);
+        assertThat(member.getToken()).isNotBlank();
+        assertThat(member.getRestCash()).isEqualTo(0);
+        assertThat(member.getAuthLevel()).isEqualTo(AuthLevel.USER);
+    }
+
+    @Test
+    @DisplayName("아이디가 admin 인 회원은 관리자 권한으로 회원가입")
+    void join2() {
+        // given
+        JoinForm joinForm = JoinForm.builder()
+                .username("admin")
+                .password("1234")
+                .email("admin@test.com")
+                .nickname("사과")
+                .build();
+        // when
+        Member member = memberService.join(joinForm);
+        // then
+        assertThat(member.getUsername()).isEqualTo("admin");
+        assertTrue(passwordEncoder.matches("1234", member.getPassword()));
+        assertThat(member.getNickname()).isEqualTo("사과");
+        assertThat(member.getEmail()).isEqualTo("admin@test.com");
+        assertThat(member.getEmailVerified()).isEqualTo(false);
+        assertThat(member.getToken()).isNotBlank();
+        assertThat(member.getRestCash()).isEqualTo(0);
+        assertThat(member.getAuthLevel()).isEqualTo(AuthLevel.ADMIN);
+    }
+
+    @Test
+    @DisplayName("중복된 username 으로 회원가입")
+    void join3() {
+        // given
+        JoinForm joinForm = JoinForm.builder()
+                .username("user1")
+                .password("1234")
+                .email("user5@test.com")
+                .nickname("사과")
+                .build();
+        // when, then
+        assertThrows(UsernameDuplicationException.class, () -> memberService.join(joinForm));
+    }
+
+    @Test
+    @DisplayName("중복된 email 로 회원가입")
+    void join4() {
+        // given
+        JoinForm joinForm = JoinForm.builder()
+                .username("user5")
+                .password("1234")
+                .email("user2@test.com")
+                .nickname("사과")
+                .build();
+        // when, then
+        assertThrows(EmailDuplicationException.class, () -> memberService.join(joinForm));
+    }
+}
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