With the widespread use of ovulation-promoting drugs and the development of assisted reproduction techniques, pregnancy rates have increased significantly. However, multiple pregnancies have also become a common and major complication that poses a serious threat to the safety of the mother and child. What is the self-care of patients who undergo multiple pregnancy reduction? A. Self-psychological care: Understand the harm of multiple pregnancy to yourself and the fetus, and make it clear that fetal reduction is beneficial to both you and the fetus. The patient should learn about the method and process of fetal reduction from the doctor and consult with patients who have had successful fetal reduction. Nowadays, the technology of fetal reduction is very mature. Eliminate the tension, anxiety and fear, reduce the psychological pressure and actively cooperate with the doctor’s treatment. Second, actively prepare for the operation, improve the necessary laboratory tests; fully understand the necessity, risk and possible complications of the operation, sign the informed consent for the operation; follow the doctor’s instructions for fetal preservation treatment. Actively cooperate with the doctor during the operation, and explain to the doctor in time if there is any discomfort. 4.Postoperative self-care 1.Rest in bed for 2-3 days, minimize activities; 2.Eat high-calorie, high-protein, vitamin-rich food, keep bowel movements smooth; 3.Fetal preservation treatment and antibiotic treatment as prescribed by the doctor; 4.Closely observe whether there is vaginal bleeding, if there is vaginal bleeding, pay attention to the amount of bleeding, bleeding time, color of blood, whether there is blood clot and tissue discharge, and report to the doctor immediately; 5.If there is a small amount of vaginal bleeding, change the perineum in time. If there is a small amount of vaginal bleeding, change the perineal pad in time and wash the perineum twice a day to prevent infection; 6. observe the abdominal pain, if there is obvious abdominal pain, contact the doctor for treatment; 7. pay attention to rest, avoid heavy physical labor and prohibit sexual intercourse to avoid causing preterm labor; 8. do ultrasound to check whether the reduction is successful 3 days and a week after the reduction; 9. regular prenatal checkups and regular follow-up ultrasound to observe the preservation of fetal 10. At 16 weeks of gestation, ultrasound examination should be performed to observe the development of the cervix and whether there is relaxation of the internal opening, and if necessary, cervical cerclage should be performed to prevent miscarriage and preterm delivery.