Blisters are generally referred to as blisters, and small blisters on the hands are mostly a symptom of scabies, sweating herpes or tinea cruris. It needs to be treated for different causes, for example, scabies can be treated with sulfur ointment, etc., sweating herpes can be treated with hydrocortisone butyrate cream, etc., and ringworm can be treated with topical antifungal medications such as terbinafine cream. 1. Scabies is caused by scabies infection, transmitted through skin contact. Treatment can be topical insecticidal ointment such as sulfur ointment, lindane cream and so on. 2. Sweat rash is a special type of eczema related to localized allergies, localized infections, and excessive sweating. Treatment can be topical glucocorticoid ointment such as hydrocortisone butyrate cream, mometasone furoate cream and so on. If the itching is obvious, it can also be combined with oral antihistamine drugs such as loratadine. 3. Ringworm is caused by fungal infection of the skin, and many people are infected by fungal infection of their own feet or other parts of the body, which is somewhat contagious. Ringworm can be treated with topical terbinafine hydrochloride cream and naftifine ketoconazole cream. If the effect of external drugs is poor, you can combine oral itraconazole and other drugs. Small blisters on the hands, it is recommended to go to the hospital in a timely manner to identify the cause, a clear diagnosis, the above drugs need to be used in accordance with medical advice.