Endometrial cancer is one of three major gynecological malignancies.When compared with the traditional imaging methods,PET/CT combines the characteristics of anatomy and molecular imaging.In this paper,we describe its advantages in detec-tion of metastatic lymph nodes,monitoring of disease recurrence and prognosis.The complementary effect is compared between PET and CT with MRI.With the development of new tracer and PET/MRI technology,the application of PET/CT is more extensive.