The large-scale and high-proportion access of renewable energy brings great challenges to the capacity guarantee of power system and the consumption of renewable energy. It is an inevitable trend of future development to introduce demand response resources into electricity market, give play to the important role of demand-side resources in promoting renewable energy consumption, ensure the balance of supply and demand in the system, and realize the organic connection between demand response and electricity market. The connotation and resource types of demand response are introduced, the development status of foreign demand response represented by the United States, Singapore and the United Kingdom are studied, the experiences that can be used for reference are analyzed, and the development strategy and implementation suggestions of demand response in China under the background of new power system are put forward.