Contraceptive methods are as follows: 1, surgical ligation, men choose vasectomy, women choose tubal ligation; 2, instrumental contraception, such as the most common is the condom, there are also the contraceptive ring, birth control ring is the need for professional operation of doctors to be able to put into the uterus for contraception; 3, oral drug contraception, drug contraceptive options are more, there are short-acting contraceptive pills or long-acting contraceptive pills. There are oral and intramuscular injections, also divided into long-acting and emergency contraceptive pills. Since emergency contraceptives are more likely to disturb the state of the woman herself, it is not recommended that women often take oral emergency contraceptives if it is not an emergency; 4, subcutaneous implantation, there is a small tube, placed a class of drugs, through the subcutaneous implantation, the slow release of hormonal drugs, contraception; 5, external drug contraception, that is, external contraceptive film, contraceptive plugs, women can take control of their own, for intravaginal The contraceptive pill can be placed in the vagina to prevent pregnancy.