Abstract:The characteristics of the public goods attribute of green retrofitting of existing buildings determine the criticality of the subjects to undertake social responsibility in an orderly and collaborative manner. The theoretical research results on the operation of the market for energy-saving renovation of existing buildings at home and abroad are sorted out. The theoretical research developments related to the social responsibility system of enterprises at home and abroad are outlined. Considering the characteristics of green renovation of existing buildings, such as the overall content of green renovation and value-added of renovation, the special features of the construction of social responsibility system of green renovation market subjects of existing buildings are analyzed, and the theoretical value and practical urgency of the research on the construction and operation strategy of social responsibility system of green renovation subjects of existing buildings are demonstrated.