he investigation on prcparation and distribution of adulterated foodsindicated that adulterated foods are mainly due to abnormal psychology ofconsumption,evil mentality of producers,failure of macro-control overproductionfield,local economic protection and group benefits,authorities'corruption,unfair trade,low level of consumers'self-protection.To clear upadulterated foods effectively,it must be based on deepening reform,establishingan equal-competitive environment,punishing adulterated food producersaccording tofood hygiene law,educating food producer and handlers with relevantlaw and professional morality,circulating notices of the food adulteration cases,praising the units who efficiently clear up adulterated food,enhancing theconsumers'ability on distinguishing adulterated foods. Author's ddress Zhu Jianru,Hubei Province Institute of Food SafetyControl and Inspection,Wuhan 430070,PRC