The hazards of hysteroscopic electrosurgery are as follows: 1. If the bleeding is not completely stopped during the operation, it will lead to bleeding in the patient; 2. Bleeding leads to infection in the uterine cavity; 3. During the resection procedure, the endometrium may be damaged, leading to secondary menstrual irregularities and secondary infertility in the patient; 4. The hysteroscope has to be expanded, and some patients may have abortion syndrome reactions, such as nausea, vomiting, panic, increased heart rate, etc. Some patients may have abortion syndrome, such as nausea, vomiting, panic, increased heart rate, etc. Some patients may have difficulty in expanding the uterus and the hysteroscope cannot enter, which may lead to electrocautery injury; 5. The infection can lead to pelvic infection through the fallopian tubes, causing a series of side effects such as tubal adhesions and obstruction, leading to secondary infertility.