Global change, mainly characterized by global warming, has had a huge impact on the earth system and social and economic development, and has become one of the major challenges to the survival and development of human society. And the world is also facing energy shortage, in this context, China in the seventy-fifth session of the United Nations general assembly "double carbon" strategic target, "double carbon" strategy advocating green, environmental protection, low carbon way of life, the construction of a resource-conserving and environment-friendly society is defined as a long-term strategic task in the medium-and long-term planning of national economic and social development. Construction as a domestic pillar industry, promote the transformation of industrial structure which is imperative. Among them, the promotion of green construction mode is of great significance to accelerate the transformation of the construction industry. This paper involves the related subject from the concept of green construction, determines the main collaborative target, analyses the relevant subject in the project planning, design, material selection and construction stage, explores the main path of green construction, so as to analyze the key path, on the basis for the government and enterprises to promote green construction way.