The short-acting oral contraceptive pill, which is also known as the common contraceptive pill, is recommended to be taken orally from the 2nd to 5th day of the first menstrual period. At present, there are two sizes of short-acting contraceptives in the clinic, one is 21 tablets, which requires taking a box and stopping for 7 days to continue to take the next box orally, and the representative medicines include Yosmin, Daying-35, and Momofuron. Another kind of specification is 28 tablets, start to eat when menstruation, continuous eating in the middle of no need to stop, eat a box can continue to eat the next box, relatively speaking, more simple, this representative of the drug is Yosi Yue. This is the conventional oral short-acting contraceptive method. In addition, for some special people, there are also special oral contraceptive methods, such as patients after abortion or medical abortion, it is recommended that patients directly start oral short-acting contraceptive pills, because the short-acting contraceptive pills have contraceptive function, but also help to repair the uterine lining. For women who have had an abortion, the pill will have a very good protective as well as restorative effect on the lining of the uterus.