Emergency contraception for women over 40 years of age can be achieved by placing an IUD and, in special cases, by taking the emergency contraceptive pill occasionally. Women over 40 years old can place IUD within 5 days after unprotected intercourse, and it is safer and more convenient to choose the IUD for contraception at any time of the menstrual cycle, and it can also achieve the effect of emergency contraception. Women over 40 years old are not recommended to take emergency contraceptive pills, this stage of women’s ovarian function is gradually declining, the body’s hormone levels are disorganized, taking emergency contraceptive pills may aggravate the symptoms. However, if it is inconvenient to place the IUD, it is possible to consider taking emergency contraceptive pills occasionally to minimize the chances of unwanted pregnancy under special circumstances. Women over 40 years of age are advised to take contraceptive measures during intercourse, and do not need any contraceptive measures until after complete menopause when ovarian function declines.