Hysteroscopy needs to pay attention to preoperative preparation, surgical contraindications and other aspects. 1. Preoperative preparation: for hysteroscopy, try to choose 3-7 days after menstruation, and prohibit coitus before hysteroscopy. Hysteroscopy generally needs to be carried out under anesthesia, so it is necessary to fast for 6-8 hours before the examination. Before the examination, patients should pay attention to maintain a healthy lifestyle and adjust the body to the best state. 2. Contraindications to surgery: a general examination is needed before hysteroscopy, if there is acute or subacute reproductive tract infection, acute stage of heart, liver, kidney failure, body temperature over 37.5 ℃, history of uterine perforation or uterine surgery within 3 months and other people who can’t tolerate the surgery are forbidden to perform hysteroscopy. To perform hysteroscopy, go to a regular hospital and ask an experienced doctor to operate. After the operation, pay attention to rest, avoid sexual intercourse, pelvic bath, and avoid exertion.