Blisters are medically referred to as blisters. Small blisters on the hands if due to sweat herpes, need to use hormone drugs, etc. If due to fungal infections, need to use antifungal drugs, if eczema caused by the need to use according to the actual situation of boric acid solution, glycerite lotion and glucocorticoids and other drugs. 1. Sweat herpes: small blisters on the hands if sweat herpes, can be treated with topical glucocorticoids, including tretinoin urea ointment. You can also use non-hormonal ointments such as tacrolimus ointment or pimecrolimus ointment. 2. Ringworm: If there is a fungal infection on the hands, small blisters can also occur, and can be treated with antifungal medications, such as ketoconazole cream, terbinafine cream, and so on. 3. Eczema: If it is caused by eczema, according to the performance of the skin lesions, such as oozing more can be used externally with boric acid solution wet compresses, oozing less can be used externally with glycerite lotion and glucocorticoids (hydrocortisone butyrate). If necessary, oral antihistamines such as cetirizine can be combined. If the phenomenon of blisters on the hands is serious, you should go to the hospital in time for examination, the use of the above drugs should follow the doctor’s instructions.