If the vulva is itchy, clinically it may be caused by the following reasons: first, the low-risk HPV infection caused by condyloma acuminata, clinically it will lead to the vulva skin like cauliflower superfluous organisms, and will be manifested as vulvar local itching, such patients often have a history of high-risk sex or multiple sexual partners, it is recommended to actively give clinical treatment, and before the laboratory test does not turn negative should not be intercourse; second, it may be genital herpes caused by herpes simplex virus infection, clinically it will lead to sexual contact transmission; second, it may be genital herpes, clinically it will lead to sexual contact. The second is the herpes simplex virus infection that may be caused by genital herpes, which clinically causes a blister-like mass on the vulva, accompanied by local itching, and it is recommended to actively give anti-viral treatment. Herpes simplex virus infection is a viral infection caused by a decrease in the resistance of the patient’s organism and can be transmitted clinically through sexual contact.