Preventive measures for vaginitis are as follows: 1. Don’t wear tight, non-breathable pants and try to wear cotton, breathable underwear to prevent recurrent vaginitis; 2. Use breathable cotton sanitary napkins; 3. Don’t wash your vulva or vagina with shower gel or other care solutions to avoid damaging the vaginal barrier; 4. Avoid intercourse, spicy and sweet foods, strengthen nutrition, and exercise actively to enhance your body’s resistance during the disease; 5. Insist on medication and consolidate treatment medication after recovery from the acute phase.