Fingers will grow small blisters (blisters), may be related to finger burns, may also be due to hand eczema, sweat herpes and other causes. 1. Finger burns: common contact with high-temperature objects, resulting in finger burns, when the burns are more serious, it may cause small blisters on the fingers, which may also be accompanied by obvious pain symptoms. 2. hand eczema: the cause of the diagnosis, may be related to a variety of internal and external factors, can lead to finger long small blisters, may also be accompanied by local skin itching, erythema, papules, oozing and other symptoms. 3. Sweat herpes: the disease is usually caused by prolonged exposure to a humid, warm environment, resulting in sweaty hands and feet. Happens in the hands and feet area, when the hands appear sweat herpes, it will cause fingers long blisters, may also be accompanied by peeling, itching and other symptoms. Finger long small blisters, may also be caused by other reasons, it is recommended to go to the regular hospital as soon as possible, after a clear diagnosis of the cause, by the doctor’s guidance for treatment.