If a couple has no intention of having another child after having a second child, they can use condoms or take the pill or have a ligature to prevent pregnancy. 1. Use of condoms: condoms are a safe, simple and effective method of contraception, with a high success rate and usually no harm to the body, and also help to prevent some sexually transmitted diseases; 2. Taking birth control pills: taking birth control pills is also a relatively common method of contraception, there are long-acting birth control pills and short-acting birth control pills, etc., but if you take birth control pills for a long period of time, there will be certain effects on women’s health, such as nausea, vomiting and menstrual cycle disorders; 3. Ligation contraception: the contraceptive effect can also be achieved through the ligation method, such as the female can be ligated, or the male can be ligated, is a relatively common form of long-acting contraception, but there will be a certain degree of damage to the body, and later if you want to get pregnant again, may be subject to a certain degree of influence; 4. birth control ring: you can also use birth control ring for contraception, this method is to place the birth control ring inside the female uterine cavity to achieve contraceptive effect, and the contraceptive success rate is also relatively high, but there may be some discomfort in the initial period after the ring is put on, and you should go to the hospital regularly to check the position of the ring after the ring is put on. Therefore, couples who do not intend to have another child are advised to go to a regular hospital for counseling and choose a contraceptive method that suits their needs.