Abstract: The implementation of post-support policy for relocatee from large-medium reservoirs in recent 10 years has achieved great successes, but some new problems have been emerging. With profound changes in economic and social situation of China, higher requirements on the post-support policy for relocatee from large-medium reservoirs have been put forward, thus, it is necessary to adjust and perfect the post-support policy. Through analysis on achievements in increasing the income of migrants, improving infrastructure and industry, maintaining social stable in reservoir area after post-support policy implemented, we list the main problems existing in support way, support standards, funds allocation and implement management during the implementation of post-support policy, and put forward some countermeasures and suggestions to perfect the policy.