Small clear blisters on the fingers may be herpes sweat, blistering tinea cruris, contact dermatitis, etc. They can be treated with topical medication or combined with oral medication. 1. Sweat herpes: this is a symmetrical occurrence in the hands or feet parts of the blister-type skin disease, attacks often start with itching, can be applied locally glucocorticoid ointment, such as tretinoin urea ointment, hydrocortisone acetate ointment and so on. Usually pay attention to hand hygiene, do not scratch, do not use your hands to squeeze the blisters, to avoid infection. 2. Blister ringworm: this is a fungal infection caused by the skin disease, there will be unilateral asymmetric blisters, can be applied locally ketoconazole cream, miconazole cream, etc., if there is a combination of tinea pedis, to be treated together, oral terbinafine, itraconazole, and other drugs when necessary. 3. contact dermatitis: usually in the back of the hand side after the finger gap blisters, and the skin directly in contact with some kind of irritating substances have a relationship, you can use hydrocortisone cream and other drugs to treat. Transparent blisters on the fingers belong to a symptom, can not be directly diagnosed, should be timely medical diagnosis standardized treatment, if you need to use drugs, should be strictly abide by the doctor’s instructions.