What ointment to use for small blisters on the hands needs to be chosen according to the cause of the blisters, considering that it is caused by sweat herpes, tinea versicolor and other diseases, and can be treated with tacrolimus ointment, bifonazole cream and so on. 1. Sweat blisters: small blisters on the hands caused by sweat blisters, you can use salicylic acid ointment and urea ointment to relieve local itching and pain, but also take tacrolimus ointment, bimatoprost ointment, etc., which has a certain effect of relieving the symptoms of small blisters and so on. 2. Ringworm: ringworm is mainly caused by fungal infection, which leads to small blisters mainly choose antifungal ointment, such as bifonazole cream, terbinafine hydrochloride cream, amorphophallus hydrochloride cream and so on. The above drugs have certain side effects, patients should be used under the guidance of a doctor, it is recommended that patients seek medical attention in a timely manner to confirm the cause of the disease for targeted treatment.