Abstract: This paper introduces the present situation and roles of small hydropower in the economy society, analyzes its impact on ecological environment, and introduces the ecological restoration measures and problems for small hydropower development, such as paying attention flow values but ignoring process in supervision of ecological flow; restoration measures are not comprehensive, supervision is not in place in the later period; the ecological restoration mechanism is not sound. Aiming at these problems we put forward thinking and suggestions on the ecological restoration of small hydropower: ① Identify the subject of ecological restoration and supervision, determine evaluation and supervision indicators, improve laws and bonus-penalty method to mobilize the initiative of all parties. ② Comprehensive ecological restoration measures should be taken to give overall consideration on the whole watershed and regions. ③ Evaluation should be result-oriented, and introduce third-party organizations to evaluate the ecological restoration results of small hydropower. ④ Strengthen information disclosure and public participation, and guide the general public to participate in the ecological restoration of small hydropower. ⑤ Encourage scientific research, and accelerate the application of scientific research results.