Compounded short-acting contraceptive pills are the best and safest contraceptive pills available. On the one hand, it has a high contraceptive effect; on the other hand, it also has a good menstrual regulation treatment effect, which is especially suitable for women who want to take contraception and have irregular menstruation, and it is relatively effective. Compound short-acting contraceptive pills, such as Mafolone, Eusemide, Eusyel, Daing-35 and Clomid. It is mainly a compounded formula of estrogen and progestin. It is usually taken on the 5th day of menstruation, with 1 tablet per day for 21 days, without missing any dose in between, and stopped after 21 days. Other contraceptives, such as the family visit pill and emergency contraceptive pill, although also have a role, but the side effects are very large, can only be used occasionally, repeated use can affect the endocrine sex hormone levels, resulting in menstrual irregularities, and in serious cases, will also affect the normal future pregnancy and childbirth.