With the development of economic society, the competition between enterprises is becoming more and more fierce. A series of immoral events caused by the lack of corporate social responsibility appeared in the market. In this paper, the issue of corporate social responsibility is discussed into the supply chain environment. This paper analyzes the subjects and functions of the supply chain enterprise's social responsibility and its influence factors, studies the transmission mechanism of corporate social responsibility in the supply chain from three aspects of the forward transmission, the interaction and the reverse transmission, and puts forward the development countermeasures and suggestions.