If there is vaginal discharge a few days after menstruation, the most common cause is local inflammation of the vagina. It is recommended to go to the hospital for routine laboratory examination of the white belt and gynecological examination to find out whether there are abnormalities in the vagina and cervix and whether there are localized superfluous organisms, and then give the appropriate medication according to the results. In addition, gynecological examination should be done once a year, including ultrasound examination, cervical cancer screening, routine white belt examination and routine gynecological examination, etc. to understand the basic health condition. If abnormal problems are found, they should be given timely treatment, which plays a good role in women’s self-protection. In daily life, it is recommended that women pay attention to the hygiene of menstruation and sexual life, and it is also recommended to wash the vulva with water once a day.