As the world economic development, environmental problems are increasingly serious and renewable energy use by the peoples of common concern. Beijing as the capital of China, is a densely populated city, the increasingly serious environmental problems, the energy consumption also increases, which not only affects people's daily life, but also influence the whole nation's image. The development of solar photovoltaic (PV) generation in Beijing has certain inevitability; its development is mature day after day. But in the course of its development there still exist various problems, therefore, the development of photovoltaic power generation system in Beijing also need further perfect and corresponding support.