Baby blisters on the hands, according to different causes to give different intervention methods, the following two common situations: 1, caused by viral infections, the most common hand-foot-mouth disease can be manifested as hands, feet, mouth and buttocks blisters, most of which will be accompanied by fever and other manifestations of the general condition of the baby, you can give the antiviral and symptomatic treatment of antipyretics, the entire course of the disease for about a week or so, during which pay attention to the isolation because the hand-foot-mouth disease is an infectious disease. Hand, foot and mouth disease is an infectious disease. 2, sand dermatitis, belongs to the allergic disease, the baby in contact with sand or other allergic substances, so that blisters on the hands and will be accompanied by obvious itching, can be given anti-allergy drug treatment, observation.