There is no such thing as the best and most effective method of contraception, which can be done through oral contraceptive pills, condoms, intrauterine devices, surgery and other methods. 1. Oral contraceptive pills: Contraceptive pills, i.e., drugs containing progesterone and estrogen, can inhibit ovulation after taking them and thus play a role in contraception. 2. Use of condoms: Condoms can be used to prevent pregnancy. 3. Placement of intrauterine device (IUD): For women who do not want to have children, they can choose to place a birth control device in the uterus, which affects the fertilization of the egg, etc. to prevent pregnancy. 4. Surgery: Men can choose to have their vas deferens tied, and women can have their fallopian tubes tied. All contraceptive methods cannot reach 100%, and it is also suggested that contraceptive pills may affect the menstrual cycle, and may also lead to allergies and other side effects, if you need to use drugs should be used under the guidance of a doctor, do not blindly use drugs.