Abstract: This article explored the conduction mechanism of social responsibility risk on the food supply chain on the whole. It analyzed the source of social responsibility risk from the core business enterprise and the non-nuclear heart business enterprise, specifically in the original material process link, pack link, logistics link and sale link on the food supply chain. This text definitely defined who send out social responsibility risk and who accept and clarified every factor in the whole risk conduction. It brought the conduction law and the path of social responsibility risk to light. Finally the article put forward some relatedly suggestions to guard the social responsibility risk.