The purpose of this study is to establish an appraisal index system of affecting factors that helps pursue quantitative graded management in food services,and investigate the pursuing tactics,According to the reports of food sanitation supervision from some districts in Guangdong Province and our own experience,a questionnaire was designed and distributed to personnel in charge of supervision and management of food safety to collect their opinions.The personnel were chosen randomly with stratified sampling method from municipal administive organs and food service firms that had passed the assessment for graded management.The data collected were analyzed by credibility analysis,descriptive analysis,major component analysis and factor analysis.Ten factors and 60 indexes affecting the effect of graded management were defined.The 10 factors are:attention by leadership,estimation standardization,estimation management,estimation justness and method,pursuing mechanism,management after estimation,pursuing guarantee,standard requirement and operation,burden of business and approving degree by consumers.Colligating the above results,tactics for pursuing graded management of food services were formed.The study provided scientific basis for pursuing quantitative graded management in food services.