The price of the Mannion ring is about 1500 yuan, each region, each different level of medical institutions, the pricing of drugs and supplies will be different, the specific charges to go to the medical institution for detailed consultation, Mannion ring is also known as the Mannion Le birth control device. After placing the birth control device, it can release pre-set hormone drugs in the uterine cavity through a high-tech device in a stable and small amount, and then act on the cervix, ovaries and uterine lining to inhibit the proliferation of the uterine lining to produce the effect of temporary atrophy, just like the seeds lose fertile soil, without sufficient thickness of the uterine lining, there is no way for the fertilized ovum to develop, which can play a contraceptive role. In addition, the Mannix Ring can shorten the duration of menstrual bleeding, reduce the amount of menstruation and relieve menstrual cramps.