The Mannitol Ring is an intrauterine levonorgestrel system. You can douche for a week after having the levonorgestrel intrauterine system, but you should not douche the inside of the vagina, it is recommended that you use water to douche the vulva. You can douche your vagina for one week after having the Mannitol IUD, but you should not douche the inside of your vagina. The levonorgestrel intrauterine release system will cause a certain degree of trauma to the uterus and vagina, and rinsing the inside of the vagina within a week of the IUD may lead to cervicitis, vaginitis and other infectious diseases. After using levonorgestrel intrauterine extended-release system, it is recommended that patients ensure adequate rest, avoid heavy physical labor and sexual life. Patients should pay attention to personal hygiene, timely washing of the vulva, to ensure that the vulva clean. Patients should eat a light diet, less spicy cold food, such as chili peppers, ice cream and so on. The levonorgestrel intrauterine extended-release system can wash the vulva after one week, it is recommended that patients pay attention to observation after the IUD, if there are symptoms of discomfort should be timely medical care.