Solar energy is the cleanest energy on earth, innovation is especially important in the large-scale development and utilization of solar energy. Now, the desert PV ecological plants with science and technology advantage have appeared on the northwest desert of China, and show the economic benefits, social benefits and ecological benefits. China Talk invited the president of Zhenfa New Energy Science & Technology Co., Ltd Mr Zha Zhengfa, talk about the current situation of PV industry in our country and the new mode of desert solar energy economy.