The design of meat food safety index can effectively prevent and control food risk. According to the principle of scientific, systematic, operability and first priority, applies analytic hierarchy process to the design of meat food security early warning index system. Selects 15 indexes to construct the early warning index system , calculates the index weights, and concludes that the most influenced factors are the qualified rate of feed sampling, the residue of veterinary drugs, the processing technology standard and the content of food additives.