Ulcerated and broken labia may be caused by vulvar inflammation, vulvar tumor, sexually transmitted diseases, etc., which need to be analyzed specifically. 1. Vulvar inflammation: women’s vulva, if stimulated by pathogens, may cause localized skin breakage, which can be manifested as ulcers in severe cases. 2. Vulvar tumor: if in addition to labial breakage, local ulceration and other situations, may be the vulva has a tumor, local tissue necrosis caused. 3. Sexually transmitted diseases: if you have recently had unclean sex, infected with sexually transmitted diseases, there will also be localized breakage at the labia, such as syphilis, gonorrhea and so on. If there is a labial ulcer breakage, there may also be other reasons, you need to go to the hospital in time, under the guidance of the doctor for standardized treatment.