Endometrial thickening in the elderly should be taken seriously and may be related to endocrine abnormalities and uterine pathology. Under normal circumstances, the endometrium of the elderly in the postmenopausal period should be within 5 millimeters, if the test results of endometrial thickening, often indicates the existence of abnormalities in the body, may be related to endocrine abnormalities and uterine pathology. 1. Endocrine abnormality: the hormone level fluctuation in the body of the elderly will be relatively large after menopause, which will cause the endometrium to shrink gradually, and hormone level disorders may occur. However, if endometrial thickening exists, it may be caused by increased estrogen levels. 2. Uterine lesions: Uterine lesions, such as endometrial polyps and endometrial cancer, can lead to endometrial thickening, which is often accompanied by abnormal bleeding. Elderly endometrial thickening may also have other causes, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of professional doctors to give targeted treatment or therapy.