Since the reform and opening-up

China’s economy has been gaining rapid development and the urbanization is also continuously expanding. In this regard

the more strict requirements for urban planning are implemented

which make China’s construction industry keep flourishing. Different from the rapid economic development

the deteriorating ecological environment in construction industry is obvious. Therefore

energy-saving technology has been widely applied in construction in recent years. The article will analyze the optimization and combination of environment protection and energy-saving technology in green building

and put forward several suggestions for relevant problems.