Children’s feet have blisters (blisters) are very itchy mostly due to sweat herpes, tinea pedis and other diseases caused by the use of glucocorticoid drugs, antifungal drugs, etc. for treatment. 1. Sweat herpes: belongs to a kind of eczema, can be localized topical itching drugs, glucocorticoid drugs and other treatment, such as glycerine lotion, halomethasone ointment and so on. 2. Tinea pedis: it is caused by fungal infection, you can use antifungal drugs to treat, such as topical terbinafine hydrochloride cream, miconazole nitrate ointment. Children’s feet blisters, need to go to the hospital in time for relevant examination, identify the cause of targeted treatment. Drugs need to be used under the guidance of a doctor.