The normal perineum and vagina may have some leukorrhea, which is usually white, thin, sticky, with a small amount and no fishy smell or other odor. If you have a bad smell, you may have vaginitis or cervicitis, so if you have a bad smell, you need to abstain from sex, vaginal douching and vaginal medication for at least 24 hours. You should go to the gynecology department of a public hospital and have a routine examination of the white belt to determine if you have vaginitis and the type of vaginitis, and follow your doctor’s advice on medication. If you have had sexual intercourse, you can choose vaginal medication and gynecological lotion to wash your vulva 1-2 times a day. If you don’t want to choose vaginal medication, you can choose to take oral medication and wash your vulva with gynecological lotion 1-2 times a day. During the treatment period, it is best to prohibit spicy and stimulating foods, seafood and excessive sweets to avoid aggravating the inflammatory reaction and affecting the therapeutic effect.