Blisters are the body’s distress signal is not true, blisters may be caused by herpes zoster, eczema and sweat herpes. 1. Herpes zoster: mainly caused by the herpes zoster virus infection of the human body, mainly manifested in the corners of the mouth, nostrils and other skin surfaces such as erythema, blisters, pimples and other skin damage, accompanied by obvious pain and other symptoms. 2. Eczema: inflammation of the superficial dermis and epidermis caused by a variety of internal and external factors, eczema caused by blisters are symmetrically distributed, the number of more, and accompanied by itching, vesicles and other symptoms. 3. Sweat herpes: may be localized infection, skin allergies and other factors lead to the emergence of sweat herpes, the patient will appear on the palms of the hands, soles of the feet and fingers and other parts of the scattered or multiple blisters, accompanied by burning sensation, itching and other symptoms. When the patient’s body appears blistering phenomenon, it may also be caused by other reasons, it is recommended to go to the hospital in a timely manner to check, after clarifying the cause of the disease, standardized treatment under the guidance of the doctor.