China's Renewable Energy Law is the introduction of China's macro-level being considered a fully embodies the fundamental law of the energy strategy and policy-oriented，unified energy structure，energy efficiency，energy security，energy development and utilization of energy and environment coordination comprehensive problems，including energy security requirements． The U． S．
Energy Policy Act in 2005 introduced the direction for U． S． energy development in the next 20 years，the introduction of this energy method also has a strong reference． This paper analyzes the highlights of the U． S． Energy Policy Act and controversy，look at China and the United States energy problems and energy and environmental similarities and differences，a comparative study of China in the upcoming energy legislation should draw attention to the experience．