The purpose of this study is to research about the construction of Chiseong around the Heunginjimun Gate area in the 18th century. the conclusions derived from the historical evidence of the number, location, size, and form, and construction method of Chiseong was as follows. First, the Chiseong(Square-shaped lookout) of Hanyangdoseong was built in the 29th year of King Yeongjo(1753) and can be found in the national record. Five sites of the Chiseong are currently identified. It is assumed that the Foru was installed on top of some of the Chiseongs. Second, Chiseong was destroyed sequentially in the first half of the 20th century. Third, Chiseong is a rectangular in shape and six are constructed. Fourth, Sixth Chiseong could figure out through Hengryeopungsokdo, the drawing of Jeong Seon.

Abstract
1. 서 론
    1.1 연구의 배경 및 목적
    1.2 선행연구 및 연구방법
2. 영조대 치성의 축성기록
    2.1 치성의 축성계획
    2.2 치성 건설의 공사기록
    2.3 치성 건설의 위치기록
    2.4 치성의 건설을 담당한 어영청
3. 치성에 대한 고증
    3.1 사진과 지도를 통해 본 6개 치성의 건설 위치
    3.2 치성의 형태와 규모, 축성구법
    3.3 행려풍속도를 통한 6번째 치성의 고증
4. 결론
참고문헌

• 김영수(서울시립대학교 서울학연구소) | Kim Young Soo
• 송인호(서울시립대학교 건축학부) | Song In Ho Corresponding Author