The purpose of this study is to measure and evaluate the outcome through practical activities of peace education for the elementary school of Nagasaki. The aim of the outcome was consisted of the frame of the three factors; knowledge about peace, interest and attitude for contributing to realization of the peace, and peace image. Main findings were as followed. 1. The knowledge about peace was developed. 2. The particular part of the peace image was developed. On the basis of the results of this study, we discussed the problems of the future of the peace education.