Small blisters on the fingers in summer and itchy considerations and sweat herpes, tinea versicolor, etc., patients can follow the doctor’s instructions to use glucocorticoid drugs, calcium-modulated phosphatase inhibitors, antifungal drugs and other treatments. 1. Sweat herpes: If it is clear that sweat herpes is caused, the patient can use topical tretinoin ointment, dexamethasone cream and other glucocorticoid drugs, but also available tacrolimus ointment, pimecrolimus ointment and other calcium-modulated phosphatase inhibitors. Disease early available glycerin lotion to stop itching, repeated flaking when available urea ointment treatment. 2. Ringworm: ringworm can be used for imidazole such as clotrimazole, miconazole, naftifine, terbinafine and other acrylamide antifungal drug therapy, but also external salicylic acid and other exfoliators to improve the phenomenon of hyperkeratosis of the skin. It is recommended that people with small blisters with itchy fingers in summer strengthen hand care and avoid contact with irritating objects. If it is clear that the disease is caused, patients need to follow the doctor’s instructions to use medication, do not use drugs or prescriptions.