Abstract Combining with theoretical perspectives of stakeholders and social capital and drawing on previous views, this study defines and expounds the concept and connotation of social responsibilities of SMEs and establishes a three-dimension model that comprises responsibilities of key stakeholders, responsibilities of the social public and responsibilities of management process. It makes an empirical analysis of the model using exploratory factor analysis and confirmatory factor analysis, proving that the developed SMEs’ social responsibilities scale is highly reliable and effective.