The cause of genital herpes, also known as genital herpes simplex, is herpes simplex, which is divided into type 1 and type 2 viruses. Type 1 viruses occur mainly in the corners of the mouth and mouth; type 2 viruses occur mainly in the genitals. The reasons why genital herpes is prone to recurrence are: 1. cross-infection, re-infection through sexual life, leading to recurrence of the disease. 2, can not effectively remove the virus, the virus present in the epithelial tissue can not be effectively removed. 3, life indiscretion, sexual relationship confusion, leading to repeated infection. 4, some unreliable treatment methods, or non-specialist treatment, or the course of treatment is not enough, resulting in incomplete treatment, resulting in recurrence.