Regional Development policy is the whole authority of the Head of the region where the development of the region has a direct impact on society. The direct contribution in policy implementation is anticipated. That is, the principal orientation in improving society’s welfare, so the government policy should reflect the profitable’s development between government and society by presenting the participation in the region. Serdang Bedagai district which is Government people’s participative development policy is “Development Movement Governmental / Gerbang Swara”(The Society Self -Supporting Development Programme / SSDP). Gerbang Swara as a movement is to raise society to build self-support in the which the means and infrastructure needed by society starting from the village and sub-district. There is the participation of society in regional development policy in the participative models by attacking Bedagai Government. The research before shows us there are many problems in the local participation in regional development. The development could be bottom-up development, not top-down development. This research would not criticize the fails or the success of regional development from the research before. This Research is the main strengthening of the model of the which applied in regional development and use the explanatory design and apply survey methods in Serdang Bedagai district. The results of hypothesis testing on each path coefficient Significantly influence the development of the planning region with the direction of the positive relationship. The decision making insignificantly influence on the regional development and going to the negative relationship. Whereas, the dissemination influential is significant on the regional development and going to the positive relations. The implementation influential is significant on the regional development and going to the positive relations. The evaluation process influential is significant on the regional development and going to the positive relations. Conversely, the utilization influential is insignificant on the regional development and going to the positive relations. Although in variable this research is positive and significant but, there are several variables which have no influence or significant impact on regional development.