With the rapid development of economy and the continuous progress of society, as a large energy consumption country, energy supply and environmental pollution have become urgent problems to be solved in China. It is imperative to develop and utilize new energy. As a key technology in power generation, power electronics technology will directly affect the development of new energy power generation technology and promote the development and progress of the whole society. Based on the development of new energy, this paper discusses the application status of power electronics technology, and analyzes and summarizes the application of power electronics technology in the field of new energy.