It is not normal to have brown vaginal discharge within two years of menopause, which is considered to be caused by cervical polyps, senile vaginitis, endometrial cancer, as well as other causes such as cervical cancer. 1. Cervical polyps: the etiology of cervical polyps is still unclear, and it is considered to be caused by chronic inflammatory stimulation of the cervix and abnormal response to elevated estrogen levels. Patients will be manifested as post-menopausal vagina, leukorrhea increase, if the cervical polyps lead to patients with brown vaginal discharge within two years after menopause is not a normal phenomenon. 2. Geriatric vaginitis: Geriatric vaginitis is caused by the decline or absence of ovarian function, the patient will appear vulvar itching, increased vaginal discharge, some patients will have blood or secretion pus and blood. If there is brown vaginal discharge within two years of menopause caused by senile vaginitis, it is also not normal. 3. Endometrial cancer: endometrial cancer is mainly caused by the continuous stimulation of endometrium by estrogen without progesterone antagonism, and patients will have postmenopausal vaginal bleeding and bloody vaginal discharge. Therefore, endometrial cancer will lead to postmenopausal brown vaginal discharge within two years, which is not a normal phenomenon. 4. Others: If the brown vaginal discharge within two years of menopause is caused by cervical cancer, ovarian cancer and other diseases, it is also not a normal phenomenon. Brown vaginal discharge within two years of menopause is not normal, the patient needs to consult a doctor in time, the doctor will choose the appropriate measures to treat the cause of the disease.