Itchy blisters on the feet rub the drug needs to be selected according to the cause of the disease, is generally believed to be related to sweat herpes, tinea pedis and other diseases, the need for topical glucocorticoids, antifungal drugs and other treatments. 1. sweating herpes: sweating herpes belongs to a special type of eczema, feet sweating herpes blisters with itching, can be treated by topical boric acid solution, etexacrine solution, etc., to be no obvious blisters exudation of topical glucocorticoid drugs, such as mometasone furoate, hydrocortisone butyrate, etc. treatment. 2. Tinea pedis: The blisters caused by tinea pedis can be treated with topical antifungal drugs such as ketoconazole cream, butenafine hydrochloride cream, amorphophallus hydrochloride cream. All of the above drugs need to be used under the guidance of a doctor, it is recommended that the patient consult a doctor in time to confirm the cause of the disease for targeted treatment.