The endometrial cancer triad is obesity, diabetes, and high blood pressure. Endometrial cancer is a common tumor of the reproductive system in women is a cancerous transformation of the endometrial cells. The main risk factors for endometrial cancer are obesity, high blood pressure, and diabetes, which are collectively known as the triad. If all three of these risk factors occur at the same time, then a woman’s risk of endometrial cancer increases. The most common clinical manifestation of endometrial cancer is irregular bleeding from the vagina. With the development of the disease, it may invade the waist and lower limbs and cause lumbar pain, lower limbs pain, and even clinical manifestations such as anemia and cachexia. The development of endometrial cancer has a great factor with obesity, high sugar, high fat diet and high blood pressure. When endometrial cancer appears, it is necessary to formulate appropriate treatment plan under the guidance of gynecologist and treat it actively.