Sweat herpes on the feet according to the severity of the disease can be improved by local medication, oral medication and other methods. 1. local medication: you can apply local glycerine lotion to promote the blisters to dry up, external tretinoin urea ointment, halomethasone ointment, tacrolimus cream and other drugs to promote the lesions to subside, to improve the itching symptoms. 2. Oral medication: you can take antihistamines to relieve itching symptoms, such as loratadine, cetirizine and so on. The above drugs can have different degrees of adverse reactions, in the use of these drugs, need to be used under the guidance of a doctor.