Green buildings is an important way to accelerate the transformation of urban and rural construction methods and achieve the transformation and upgrading of traditional construction industries. The combination of quantitative and qualitative analysis is conducted to analyze the current development status and existing problems of the green building industry in Qiandongnan Prefecture from four aspects: policy support, development of prefabricated buildings, promotion of phosphogypsum building materials, and expansion of the application scale of renewable energy buildings, in order to provide reference suggestions for the development of the green building industry in Qiandongnan Prefecture.