Patients often call or come to the hospital after submucosal myomectomy, or after endometrial electrosurgery, or after the release of uterine adhesions to ask why they are still bleeding water after the surgery. The following are some precautions for patients after hysteroscopy. 1.A small amount of bleeding or fluid discharge (commonly known as bleeding water) within two months after surgery is normal, if it is too much, you can come to the hospital for follow-up, during this period, intercourse is prohibited; 2.A review at the clinic in the first and third months after surgery, and every six months afterwards; 3.Endometrial electrosurgery has a certain contraceptive effect, but it is not absolute; 4.Patients with submucosal myoma can be pregnant after 3-6 months after surgery; 5.Excision of Patients who have endometrial polyps or uterine adhesions can have menstrual flow in one month; 6. Patients with uterine adhesions should follow the doctor’s prescription to take Glivec and progesterone for 3 months, and then come to the hospital after 3 months to review the hysteroscopy to understand the situation in the uterine cavity. Do not stop taking or miss taking progesterone during the period.