The research subjects uses nonstick pan,enamel,and ceramics as the research object.Explore the changes in migration amount in its sound condition,slight wear condition,and damaged state.Conclusion:The migration amount of nonstick pan,enamel and ceramics in a damaged state significantly increases,which is more prone to safety hazards.It is recommended that consumers stop using damaged cookware from a food safety perspective.The new cookware needs to be replaced with the old one,as the old one is damaged.