Food and drug safety problems occurred frequently. However, facing multiple enterprises, the supervision capacity of China is limited. In order to realize more efficient supervision, many places start trying food and drug level-to-level risk management. Since August this year, small restaurants, small workshops, large-scale food manufacturers, pharmacies and large-scale Pharmaceuticals in Anhui will be classified to different levels according to risk standards. The higher the risk level is, the more frequent the supervision will be. This mode is deemed as one serious measure in food and drug supervision field.