Extracorporeal ejaculation is unsafe, there is still a possibility of pregnancy and it is not recommended to use it for contraception. Extracorporeal ejaculation is a common misconception about contraception for both men and women. Prostate fluid contains some sperm, and if these sperm are of sufficient vigor and quality, there is still a chance of pregnancy even with in vitro ejaculation. Safe and effective contraceptive methods include the placement of intrauterine device (IUD) by women, oral compound short-acting contraceptive pills, and the correct use of condoms, etc. Suitable contraceptive methods can be chosen according to the actual situation of the individual. 1. Installation of intrauterine device (IUD), IUD is a safe, effective, simple, economical and reversible contraceptive tool, mainly inert IUD, active IUD, etc., contraception by interfering with implantation, toxic effects on sperm and embryo, etc. The indications are that there is no contraindication to women of childbearing age, who ask for the placement of IUD, and they need to pay attention to rest after the operation. 2. Hormonal contraception: women use steroid hormones as a highly effective contraceptive method, generally for oral short-acting oral contraceptives such as under the guidance of a doctor, but also long-acting contraceptive injections, visiting contraceptive injections, extended-release contraceptive injections and so on. Individuals need to communicate with their doctors and choose the appropriate method after comprehensive assessment by the doctor. 3. Other contraceptives: emergency contraception, such as oral levonorgestrel tablets as prescribed by the doctor; external contraception, such as men wearing a penis condom. Note: If you need to use contraception, it is recommended to choose the most appropriate contraceptive method and not to believe in certain contraceptive prescriptions.