This paper aims to clarify the role of kidomon. These kidomon fix boundary with nearest town in Kyoto city under the Tokugawa regime. This boundary comprised two varieties. On one hand was "Jimen" which mean boundary of town area. On the other hand was "Shihai" which mean boundary of responsible area. Usually, four kidomons of four towns fixed boundary about "Shihai" and made blank apace about "Shihai" in the cross road. However, the boundary of "Jimen" are not concern with kidomons. Those were fixed with town houses and street.
