Labia always ulcers have the following reasons: 1, may be related to local viral infections, for example, when suffering from genital herpes infection due to the lack of timely treatment given antiviral drugs, may not heal, always ulcers. 2, may be associated with bacterial infections in the vagina, secretion, resulting in labia infections. 3, may be associated with female nutritional deficiencies, vitamin deficiencies in the body or localized often subjected to friction, wear the The underwear is tight and not ventilated. 4, when the labia are found to have malignant changes can also lead to the condition does not heal, when the labia are long with ulcers, not healed when the diet eat more vitamin, mineral-rich food, do not eat spicy stimulating food, keep local cleanliness and hygiene. And take secretion laboratory tests or take pathology biopsy to clarify the diagnosis, according to the results of the examination to give the appropriate treatment.