Small white blisters on the fingers, which are clinically seen as blisters, may be associated with herpes sweating, hand, foot and mouth disease, blistering scaly tinea versicolor and other causes. 1. Sweat herpes: can be manifested as a cluster of small blisters on the skin of the fingers, which can be accompanied by pain and itching of the skin of the fingers. 2. Hand, foot and mouth disease: maculopapular rash and herpes on the hands, feet and buttocks, with less fluid in the blisters, usually not itchy. 3. Blistering scaly tinea versicolor: small pinhead-sized blisters may appear on the fingers and are thick-walled, shiny and contain clear fluid. It is recommended that the finger white small blisters in time to go to the hospital, clear cause, under the guidance of the doctor for standardized treatment, so as not to delay the condition of the body to bring adverse effects.