The douche can be used to wash the cervix, but it needs to be used safely. The douche can generally be used in the following 5 steps: 1. Before using the douche, the head of the douche needs to be sterilized by scalding; 2. Then you need to use the liquid or water poured into the douche, if the liquid, you need to add the appropriate warm water, for the proportion of good medicine, after screwing the douche lid; 3. Before douching, patients should first clean the vulva, vaginal opening and anus with water to avoid cross-infection; 4. In general, the patient should take a squatting position, insert the front end of the douche gently into the vagina, and squeeze the end of the douche, so that the liquid inside the douche can be rinsed into the vagina for vaginal douching; 5. If the vaginal douche needs to be reused, it should be sterilized again after complete use. It should be noted that women without gynecological diseases, daily use of vaginal douche is not recommended to rinse the inside of the vagina, so as not to destroy the acid-base balance of the vagina. Usually routine cleansing, washing the vulva can be.