Blisters under a woman’s body may be caused by herpes simplex, herpes zoster, contact dermatitis and other reasons. 1. herpes simplex: refers to genital herpes, caused by herpes simplex virus infection, mainly through sexual transmission, easy to recur. 2. Herpes zoster: episodes are asymmetric, caused by herpes zoster virus infection, manifested as edema, erythema, accompanied by obvious neuralgia. 3. contact dermatitis: if there is an allergy, local skin due to the immune response manifested as flaky redness, itching accompanied by blisters appear, may be contact dermatitis. Women appear lower body blisters, there may be other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.