Small blisters in the labia may be associated with repeated friction, genital herpes, shingles and other factors. 1. Repeated friction: for example, long time wearing tight underwear, or long time frequent sexual life, resulting in labia tissue repeated friction will appear in the labia small blisters like things, and in serious cases may cause local breakage, edema and so on. 2. Genital herpes: usually due to herpes simplex virus infection, usually occurring in the population with multiple sexual partners, such patients in addition to the symptoms of small blisters in the labia, will be accompanied by labia burning, redness, swelling, pain and other symptoms. 3. Herpes zoster: generally due to varicella zoster virus infection, when the virus accumulates to the nerves and skin tissues, the patient will appear in the labia symptoms of small blister-like things, and accompanied by labia pain. If the patient has symptoms of small blister-like things in the labia, it is recommended to go to the hospital in time to find out the cause of the disease, and then standardized treatment, so as not to delay the condition.