Blisters are medically referred to as blisters. The more you scratch the more itchy feet blisters, may be tinea pedis, eczema, sweat herpes, need to according to the specific cause of the symptomatic treatment, usually including general treatment, drug treatment and other methods. 1. Tinea pedis: you can apply miconazole, sertaconazole, clotrimazole cream and other antifungal drugs on the feet. If the lesion area is large or the effect of external drugs is not good, can be combined with oral antifungal drugs such as itraconazole, terbinafine and other drugs. 2. Eczema: If the foot appears to have erosion and oozing, you can first use boric acid solution to apply wet compresses, to be reduced, and then use glucocorticoid ointment such as mometasone furoate, hydrocortisone butyrate ointment and other drugs. Itching is obvious, can be combined with oral antihistamine drugs such as loratadine, cetirizine and other drugs. 3. Sweat herpes: local topical tretinoin ointment, zinc oxide ointment, glycerite lotion and other drugs. In addition, the daily need to pay attention to keep the foot skin clean and dry, change shoes and socks, avoid sharing personal items with others. Foot blisters the more you scratch the more itchy may also be other reasons, it is recommended to go to the hospital in a timely manner, to clarify the cause of the disease, symptomatic treatment, medication should be used in accordance with the doctor’s instructions.