Objective Through Staphylococcal enterotoxin analysis to identify Staphylococcus from 10 strains collected from four food poisoning cases.(Methods)According to the National Standard for Food Sanitary Inspection Processing for Microorganisms(GB4789.10-94),Diagnostic criteria and principles of management for food poisoning of Staphylococcus aureus WS/T80-1996,as well as The procedures for Staphylococcal Enterotoxin Test Kit.(Results) Staphylococcus and enterotoxin A were positively identified in all ten samples with one sample containing both enterotoxin A and enterotoxin C.Conclusion In order to prevent food contaminations caused by Staphylococcus and its enterotoxin,it is suggested that the monitor of food hygiene should be strengthened.