Abstract
This research aims at developing planning for public involvement, and application of the PCM technique used in the foreign aid project as one of the methods of group decision-making. In this paper, PCM workshop was first introduced on the topic of the Kagawa Ochi Sirotori Bypass plan, PI project was drawn up, and it clarified about the validity of the PCM technique for practical use. Furthermore, problem analysis was performed according to PCM workshop form by the specialist, and it clarified about the advantage and subject of the PCM technique.