Children with itchy blisters on the feet need symptomatic treatment, may be related to sweat herpes, hand, foot and mouth disease, tinea pedis and other factors, mainly to drug treatment. 1. Sweat blisters: children with blisters on the feet and itchy symptoms, may be caused by sweat blisters, can be applied externally mometasone furoate and other drugs to relieve, and need to pay attention to the diligent change of shoes and socks, to avoid foot sweating aggravate the condition. 2. Hand, foot and mouth disease: hand, foot and mouth disease belongs to the herpes virus infection, may also be accompanied by fever, and even blisters spread to the mouth, palms and other locations. Treatment is mainly symptomatic. Pay attention to isolation to avoid cross-infection. Appropriate rest, light diet, good oral and skin care. 3. Ringworm of the feet: ringworm of the feet belongs to a kind of fungal infection disease, and infectious, in addition to the need to use antifungal drugs, such as bifonazole cream, etc., at the same time, pay attention to the hygiene of the feet. Children with itchy blisters on the feet may also be related to other causes, it is recommended to consult a doctor in a timely manner in order to clarify the cause of the disease and standardize the treatment. All of the above medications are recommended to be taken under the guidance of a doctor, and should not be used on their own.