The purpose of this paper is to grasp actual conditions of design review system by ordinance to control townscape in Japan. First, we grasped municipal governments which aims at design review based on ordinance to control townscape. And then we analyzed composition and practical use of the ordinance. As a result, the following things became clear. The districts which aims at design review based on ordinance to control townscape recognized 176 districts (64 cases). There were two methods to set up a design code. It could classify method of conference and consideration into 3 types. From now on, it is necessary to point out tasks of the ordinance and to propose more desirable way of design review system.