Eusemide is a compounded short-acting contraceptive pill, which is mainly used in clinical practice for contraception and also to regulate women’s menstrual cycle according to the situation. Women can take Eusemide during menstruation, but they must regulate the use of the pill as required. The first time a woman takes Eusemide is usually within 1-5 days of menstruation, and the contraceptive effect will be available after 1 week of use. Patients need to stop taking the pill for 7 days after 21 consecutive days, and then proceed to the next cycle, and generally patients will have their periods within 2-3 days after stopping the pill, and the periods will last for about 7 days, so the patient’s periods may not be clean when the next cycle is used, but it will not affect the use of the pill. It is important to pay attention when using Eusemide, try to arrange to take it at the same time every day, which can reduce the fluctuation of hormone concentration and can reduce the abnormal vaginal bleeding during the use of the drug.