The precautions of IVF need to be analyzed from the preparation period, transplantation period, after transplantation and after conception, such as paying attention to rest, avoiding exertion, and the need to actively cooperate with doctors to improve the success rate. 1. Preparation period: During the preparation period, both men and women need to actively regulate their bodies, exercise appropriately, quit smoking and drinking, take reasonable meals, have balanced nutrition, pay attention to rest, and avoid staying up late, etc. If there is any disease, it needs to be treated in time. If there are any diseases that need to be actively treated and cured in a timely manner, women can consider following the doctor’s advice to give folic acid tablets orally. 2. Transplantation period: In the transplantation period, you need to actively cooperate with the doctor’s treatment, and follow up on time. Women need to use ovulation stimulating drugs to promote follicular development and maturation, and then fertilization with sperm in vitro, need to individualize the choice of appropriate treatment, pay attention to the occurrence of complications. 3. Post-transplantation: bed rest for 24 hours after transplantation, no sexual intercourse, avoid physical labor, drink less water, and prevent the occurrence of ovarian hyperstimulation syndrome. If abdominal distension occurs, consult a doctor promptly. 4. After conception: after successful conception, prohibit sexual intercourse, pay attention to rest and reproductive tract hygiene, ensure emotional stability, avoid getting cold, etc. For those who need IVF, it is recommended to receive regular treatment in time.