The appearance of yellow stuff down there is considered to be mainly due to a bacterial infection causing the discharge. Most women are prone to have bacteria invade the vagina when their resistance is down, leading to vulvar itching, vaginal itching and a yellow discharge. First of all, you should go to the hospital for a routine examination of the white belt to see if there is any mold, trichomonas or bacterial infection, and then promptly treat it with vaginal medication. You should pay attention to your own cleanliness, wash your vulva every day, forbid sexual intercourse during the medication period, and if there is a bacterial infection, both men and women need to do the treatment at the same time. The male partner can be treated by oral metronidazole type of medication, and then more outdoor exercise to improve their own immunity, can reduce the recurrence of the situation.