Small blisters on the hands (medically known as blisters) may be caused by herpes sweat, eczema, tinea versicolor and other diseases, which can be treated with general therapy and medication. 1. Sweat herpes: If it is sweat herpes caused by small blisters on the hands, daily keep hands dry, avoid detergents, disinfectants and other contact with the skin of the hands. Patients can follow the doctor’s instructions to use topical glycerine lotion, to play the effect of astringency and itching. Can also be used externally tretinoin urea ointment, with anti-inflammatory and anti-itching effect. 2. Eczema: For eczema caused by small blisters on the hands, daily need to avoid contact with allergens. Patients can follow the doctor’s instructions to apply hydrocortisone, mometasone furoate and other ointments, with anti-allergic effect. 3. Ringworm: small blisters on the hands may also be caused by ringworm, daily need to pay attention to the hands do not long-term immersion in water. Patients can follow the doctor’s instructions to use imidazole ointment, such as sertaconazole, luliconazole, etc., has the effect of killing fungi. There are many reasons for small blisters on the hands, and it is recommended that the patient go to the hospital to get a clear picture of the cause of the disease and then treat it. All of the above drugs should be used in accordance with medical advice.