This article employed qualitative analysis and statistical descriptive methods to 3484 food safety cases occurred in 2001-2011, taking into consideration of the types of foods involved, the supply chains risking emerged, the essential reasons of the risks formed, and the main responsibilities for the risks as a starting point. Conclusion was drawn that the key points of the sources of risk for Chinese food safety were meat products, deep-processing aspects, improper usage of elements, and individual producers and operators. In response to the mentioned key points, we propose that the government should strictly regulate the use of elements in food industry, strengthen the supervision of individual producers and operators, enhance the management and control deep-processing aspects, and increase the supervision on food of high risks.