Abstract: The diagnosis of endometrial cancer was based on pathologic exam on endometrial tissue obtained from invasive methods. Fraction dilatation and curettage（D&C） and hysteroscopy were the major interventions. D&C was the most widely-used method, however, it is low-efficiency and result in missed diagnosis and lower diagnosis of endometrial cancer. If assisted with B ultrasound, the efficiency of could be enhanced relatively. Hysteroscopy combined with biopsy is the most accurate exam in endometrial diseases. Currently, no absolutely data indicated that positive peritoneal washing due to hysteroscopy was associated with pelvic or peritoneal recurrence and long-term adverse prognosis.

Key words: Endometrila cancer, Diagnosis, Dilatatinon and curettage, Hysteroscopy, Prognosis