The common causes of leucorrhea are as follows: 1. It may be that women are in the middle of ovulation or when they are about to have their menstrual period, during which the high level of estrogen leads to an increase in leucorrhea secretions, and women should pay attention to keeping their vulva clean and hygienic. 2. The leucorrhea is not related to the menstrual cycle, but the leucorrhea secretions that appear when the menstruation is almost clean, combined with vulvar itching and odor, may be due to suffering from If you are suffering from vaginal inflammation, cervical inflammation or endometrial inflammation, you need to go to the hospital for gynecological ultrasound, routine laboratory tests of the leukorrhea and TCT examination of the cervix. If it is caused by vaginal inflammation and cervical inflammation, you need to give lotion and medication. If it is caused by endometrial inflammation, a comprehensive treatment such as oral anti-inflammatory drugs and pelvic physiotherapy will be more effective.