Itching on children eating fish and eggs is likely to be caused by allergies, which need to be kept away from allergens, anti-allergy treatment and skin protection. Food allergy can cause children itching, erythema and other skin symptoms, but also with diarrhea, vomiting, etc., and in serious cases can be life-threatening. The itchy body of children after eating fish and eggs may be caused by food allergy. 1. Stay away from allergens: immediately stop feeding fish and eggs, parents are advised to take the child to the hospital for examination, if it is determined that the child is allergic to these two foods, avoid giving the child to eat fish and eggs in the future. 2. Anti-allergy treatment: Parents can give their children anti-allergy drugs, such as cetirizine hydrochloride drops, under the guidance of a doctor, but do not take the drug without authorization. 3. Protect the skin: children eat fish and eggs itchy body, parents should urge the child not to scratch with their hands to prevent skin damage caused by infection. Children eat fish and eggs itchy body may also have other reasons, parents are advised to take their children to the hospital in a timely manner, clear cause, under the guidance of the doctor treatment.