Uterine bleeding in the elderly may be due to senile vaginitis, cervical cancer, endometrial cancer and so on. 1. Vaginitis: Uterine bleeding in the elderly generally refers to the performance of vaginal bleeding in the elderly after menopause, the blood is not necessarily from the uterus, but may also be senile vaginitis, when the infection is more serious, the congestion and edema in the vagina is heavier, and a small amount of pus and blood-like secretion will flow out. 2. Cervical cancer: cervical cancer is a malignant tumor occurring in the cervix, due to the brittle texture of the tumor, it is easy to have tissue necrosis and shedding, so it manifests itself as contact bleeding, in addition, if the cervical cancer invades the blood vessels in the mesenchyme, the symptom of vaginal bleeding is also easy to appear. 3. Endometrial cancer: endometrial cancer is a malignant tumor occurring in the endometrium, due to the shedding and necrosis of cancer cells, it can also cause irregular vaginal bleeding, which may be intermittent or persistent. There may be other reasons for uterine bleeding in the elderly. Uterine bleeding in the elderly is usually abnormal, and it should be consulted in the hospital in time, and treated symptomatically according to the cause.