Vaginal douches do not usually enter the uterus. For women, the inner cervix is usually closed except during menstruation, so it will not enter the uterus when using a vaginal douche. For women with vaginitis, it is not recommended to use vaginal douches blindly, and the medication should be administered under the guidance of a physician. Under normal circumstances, women in the vagina of pathogenic bacteria and lactobacilli in a state of dynamic equilibrium, will not lead to the occurrence of vaginitis, the use of vaginal douches will destroy the local vaginal environment, the general use of detergents can be washed externally. For patients with abnormal leukorrhea, vulvar itching and other discomforts, it is recommended that they go to the gynecology department of a regular hospital, complete the examination of leukorrhea and other related examinations, and then actively treat the cause of the disease under the guidance of the doctor.