Abstract: With the concept of sustainable development put forward in China, people pay more and more attention to green economy. On the one hand, green economy can reduce costs and improve profits, on the other hand, it can protect the environment we depend on. As an important area of China's economic growth, in order to promote the efficient development of the construction industry, photovoltaic power generation technology can reduce the investment of non renewable energy and increase the recycling rate of energy. Therefore, this is in line with the concept of sustainable development of China's society and is the inevitable trend of the development of the construction industry.