Local government in Japan employs a system of dual representation where both members of assemblies and the heads of local governments are directly elected by residents. In this system, the roles of the local assembly is to be in the monitoring and policy-making function. However, the proposals by the chief have been almost passed and there are few ordinances proposed by local assembly members. So it is necessary to construct an evaluation system to check its activity. This paper takes such issues into account and examines the evaluation system of local assembly, especially the cases of Fukushima village assembly in Hokkaido and Itsuki village assembly in Kumamoto. Contents 1 Introduction 2 Evaluation system of local assembly 3 Case study : evaluation system of Istuki village assembly 4 Conclusion