Condoms, emergency contraceptive pills, safe period contraception, in vitro fertilization, short-acting oral contraceptive pills, intrauterine devices and ligation are the most common contraceptive methods. However, some of these methods, such as condoms, emergency contraceptive pills, safe period contraception, and in vitro ejaculation, are more convenient but are not suitable as daily contraceptive methods due to their high failure rate. Secondly, you should also take into account your other circumstances, such as whether you have any future fertility requirements, your partner’s willingness and attitude towards contraception, your requirements for the quality of your sex life, your pursuit of quality of life, and whether your sex partners are fixed …… and so on. Let’s make a brief comparison first, then make a choice: Common methods applicable contraceptive efficiency compounding conventional oral contraceptives (such as Eusemide) for healthy women of childbearing age conventional contraception > 99% emergency contraceptives for remedy after contraceptive failure, frequent use is harmful to the body, can not be used more than 3 times a year 70-90% condoms for multiple sexual partners or unsafe sex 86-93% ligation irreversible Behavior, suitable for couples who do not intend to have children in the future >99% IUDs have children and do not intend to get pregnant within 3 or 5 years >99% In vitro ejaculation and safe periods are very unsafe and not advocated around 60%.