This article analyzes the main reasons and achievements of the high-quality completion of rural hydropower stations efficiency expansion and reconstruction projects in Jiangxi province by sorting out the situation of rural hydropower station efficiency expansion and reconstruction projects and the main measures taken at the provincial level in project management.The results shows：through the implementation of rural hydropower stations efficiency expansion and reconstruction project，the problem of water dehydration in rivers of Jiangxi province has been effectively solved，the comprehensive benefits of the rural power stations have been brought into full play，the security risks hazards of power stations have been effectively eliminated.The level of project management has been effectively improved by adopting measures such as perfecting top-level design，strengthening process supervision，and making full use of funds.The project management model can be used as a reference for other places and departments.At the same time，ecological electricity price should be studied.The relevant institutions should start ecological electricity price research，and promote the eco-electricity price policy as soon as possible which will make up for the loss of the power station due to the discharge of ecological flow.