The urethral canal is the urethral opening, and there are many causes of ulcers around the urethral opening in women, such as vulvovaginitis, vulvar cancer, and leukoaraiosis. 1. Vulvovaginitis: it can be caused by frequent sexual life without paying attention to local hygiene, which leads to localized infection and localized ulcer formation. 2. Vulvar cancer: the cancer may invade the urethra, and if it is combined with infection at the same time, it may lead to ulcers at the urethra of women. 3. Leukoaraiosis: belonging to systemic immune system disease, belonging to a kind of vasculitis, it can be stimulated by inflammation and other reasons, leading to ulcers around female urethra. There are many other reasons that can lead to the phenomenon of ulcers around the female urethra, it is recommended to go to a regular hospital, consult with a professional doctor, cooperate with the doctor to complete the relevant examination, clarify the cause, and actively treat.