1.The night before the operation, the couple should take a bath and pay attention to personal hygiene. 2. On the day of egg retrieval, both spouses should bring their three certificates (marriage certificate, birth certificate and ID card) to the lobby on the eighth floor of the clinic and wait for the nurse to arrange sperm extraction and egg retrieval surgery. 3.The female partner can have breakfast on the day of egg retrieval, with less liquid food; take vital signs and be accompanied by a nurse to the operating room. 4. Before entering the operating room, check your name and ID, empty your urine, change your clothes and give you a sodium clofenac anal plug for sedation. 5. The egg retrieval procedure is a minor surgery, which is guided by B-ultrasound and usually lasts about 10min-20min. 6. There will be slight pain and a little vaginal bleeding after the egg retrieval procedure, if the symptoms are serious, come to the hospital in time. 7.After egg retrieval, eat easily digestible food and a high protein diet; avoid strenuous activities in patients with many eggs, pay attention to abdominal circumference and urine volume, and keep the daily urine volume around 2000ml. 8.After egg retrieval, pay attention to rest, keep the vulva clean, give luteal support medication on time and prohibit sexual intercourse. 9. Come to the hospital on the first day after egg retrieval to check the fertilization results, and come to the hospital on the third day after the operation for embryo transfer.