Small blisters on the fingers are very itchy and related to sweat herpes, ringworm and so on. Need to consult a doctor in time, according to the different causes of external glucocorticoids, antifungal drugs, oral drugs and other treatment. 1. Sweat herpes: for the symmetrical distribution of hands and feet blistering skin disease, manifested in the depth of the local small blisters, slightly higher than the skin, itching and burning sensation. You can apply local glycerine lotion, glucocorticosteroids such as mometasone furoate gel, etc. If the itching is intense, you can also take oral antihistamine drugs, such as loratadine. 2. Ringworm: mainly caused by fungal infections in the hands, manifested as blisters, flaking, itching and oozing on the palms of the hands or between the fingers. You can choose to compound ketoconazole cream, miconazole nitrate cream and other local rub, pay attention to keep hands clean and dry. Small blisters on the fingers are very itchy need to go to the hospital in time, follow the doctor’s prescription medication.