The common causes of vaginal rotting are: 1. gynecological vulvar inflammation, resulting in vulvar itching and vulvar congestion, edema, unbearable itching, patients scratching leading to vulvar ulceration. 2. condyloma acuminata can also lead to vulvar itching, patients scratching leading to vulvar ulceration. 3. bacterial or viral infections, such as infection caused by herpes virus, rupture, inflammation caused by gonorrhea or other bacterial infections. 4. wearing tight or non-breathable underwear for a long time 5. Vulvar cancer can also cause local pubic ulcers, and the appearance of pubic ulcers should actively deal with the original disease, general vulvar inflammation should be anti-inflammatory treatment.