In 2014，China’s economy was in a “new normal” period of strategic opportunities，the overall national economy maintained growth at a reasonable range，the private economy is outstanding in the challenge，not only its economic benefits increased，it also improvedthe performance in social responsibility area such as environmental protection and public welfare. This survey comprehensively analyzes how the scale of private enterprises，their industries，the stage of enterprise development and the characteristics of entrepreneurs affect the social responsibility behavior of enterprises. Although there are still some problems and room for improvement，the survey points out that private enterprises have achieved the following achievements in social responsibility area：a large increase in environmental protection expenditures，and the pollution prevention awareness was prominent；social donation developed rapidly，and public welfare participation was high；labor relationship became more harmonious. Finally，the article gives corresponding policy recommendations on the shortcomings of the private economy in terms of social responsibility.