If the leucorrhea increases with vulvar itching, it is clinically common for the following reasons: 1. If the leucorrhea is like tofu slag, this condition is Candida albicans infection, caused by vulvovaginal pseudomonal yeast disease; 2. If the leucorrhea is more, yellow in color, and thinner, with foam, accompanied by vulvar itching, it is often caused by trichomonas infection; 3. Mycoplasma and Chlamydia infections can also clinically cause vaginal 3. Mycoplasma and Chlamydia infections can also clinically cause increased vaginal discharge with itching of the vulva. It is recommended to use different drugs to treat different symptoms in order to completely relieve the itching. It is also recommended not to have intercourse during the treatment period because the pathogenic bacteria can be transmitted to the sexual partner through sexual contact.