Abstract: To prevent the corruption from the source,the Chinese Central Committee put forward the Construction of corruption risk prevention and control mechanism as a long-term mechanism since China's reform entered a critical period.From the point of practice effect,this mechanism formed a mature operational mode in Beijing,Hangzhou,Suzhou and other places.However,because of ideological bias,lack of supporting systems,weak supervision power and other factors,it was difficult to promote in-depth in some places.Therefore,strengthening education,improving the system and optimizing the supervision is important and pressing for the promotion and perfection of corruption risk prevention and control mechanism.