Itchy sweat blisters on feet can be treated with ointments such as glycerite lotion, tretinoin urea, tacrolimus, and possibly oral medications such as loratadine. Sweat herpes is a common blistering skin condition with common symptoms such as itching and burning sensation. Patients with very itchy sweat herpes on the feet can use glycerite lotion under the guidance of a doctor in the early days, which has the effect of relieving itching. If the skin begins to peel, glucocorticoids such as tretinoin urea ointment and hydrocortisone ointment can be used as prescribed by the doctor. Secondly, calcium-modulated phosphatase inhibitors such as tacrolimus ointment and bared meclizine ointment can also be used as prescribed. If the itching symptoms are obvious, patients need to take oral antihistamines such as loratadine and cetirizine as prescribed by the doctor. In addition, the patient can also use a cold towel wet compresses in the affected area, at the same time need to avoid scratching, keep the local skin dry and clean. Sweat herpes on the feet of patients need to go to the hospital, cooperate with the doctor active treatment, not unauthorized use of drugs, strengthen personal hygiene management.