Itching in the vagina may be caused by vaginal inflammation or mycoplasma infection. If it is convenient, it is better to come to the hospital for routine leucorrhea and mycoplasma culture to make a clear diagnosis and then treat under the guidance of the doctor. If it is not convenient to come to the hospital for consultation, you can also use medication empirically. If you are not a virgin and do not intend to prepare for pregnancy in the near future, you can douche your vagina with Jelqing and stuff your vagina with Nifurtal vaginal tablets for 1 week, once a day at night, and try not to have intercourse during the medication period. Do not have intercourse during this period. The next menstrual period will be clean and the leucorrhoea will be rechecked and the leucorrhoea will be normal before having sex. In addition, you should also pay attention to the hygiene of your vulva, wash your vulva every day, change your underwear, and wear cotton underwear, not tight-fitting pants. If you are a virgin, you can only use the vulva and oral medication, you can use potassium permanganate tablets to sit in water, every 5 tablets to water 2000ml, each sit in the bath for 5-10 minutes, while oral metronidazole tablets, 1 tablet each morning and evening, continuous oral 1 week.