"Food Service Food Safety Supervision and Management Measures" Article 23: Food and drug supervision and management departments, according to the scale of food service operations, the establishment and implementation of food service food safety supervision and management of quantitative grading, classification and management system.

Two, the assessment criteria

1, dynamic grading standards are divided into: Class A (on behalf of the food safety status is good), Class B (on behalf of the food safety status is general), Class C (on behalf of the food safety status is poor) three levels.

2. Annual grading standards are divided into three grades: Grade A (good), Grade B (general) and Grade C (poor)