This research aimed to study factors affecting to Success the Kon la kreng project policy of Thai citizens in south. The test was used as a tool to collect data from a sample of 150 samples. It is obtained from an accidental randomness. The data obtained were analyzed for frequency, percentage, standard deviation, and multiple regression analysis. The study found that most of the respondents gave on the success factor of the project policy (mean = 3.92). Followed by policy resources (mean = 3.91) Recognition aspect (mean = 3.89) Communication between people and policy designers (mean = 3.85) And operational control planning (mean = 3.73), respectively. Which each half of the four factors affecting the project policy. By the perceived factor Has the highest regression coefficient Followed by a factor of communication between the people and the policy designer. Resource factors, policy and planning factors, operational control The regression coefficients were 0.494, 0.254, 0.112 and 0.076 respectively.