Uterine cavity occupation is not necessarily cancer, and the specific probability value of getting cancer is not available clinically for the time being. Occupancy of the uterine cavity refers to the occupying lesion of the uterine cavity, which is a kind of ultrasound findings. There are many reasons for uterine cavity occupation, not necessarily cancer, but also benign lesions, such as uterine fibroids, endometrial polyps, etc., so further examination is needed, and should not be judged blindly. Usually, no matter it is benign or malignant, patients need to cooperate with doctors for treatment as soon as possible to avoid the growth of occupying foci, and in some cases, benign occupations may deteriorate. To summarize, it is recommended that patients go to the hospital in time for further relevant examinations to clarify the specific causes of uterine cavity occupation.