The purposes of this study are to analyze the success factors of Yangpyeong-Gun Environment-friendly regional agriculture policy and to suggest the directions for developing regional agriculture and agricultural policy of self-governing bodies. The analytical results of this case study are summarized as follows: First, the main factors on success case are characterized as fundamental assistance and natural environment of agri-industry, communicational element among local gevernment and producers & salers and leadership of the main body. Second, the important things to succeeded agricultural policies of self-governing bodies, leadership of final decision-maker, conducting the projects based on endowment of regional based natural resources and developing software programs such as education, marketing and information.