Memory loss in the elderly is also mainly suggested in the following cases: 1. If an elderly patient has memory loss, especially near memory loss, accompanied by abnormal mental behavior, such as easily forgetting the way home or urinating and defecating anywhere. If there is atrophy of the temporal lobe hippocampus, the patient may have Alzheimer’s disease. 2. For memory loss in the elderly, ask the patient if there is dizziness, choking and coughing, salivation at the corners of the mouth, weakness and numbness of one limb, and if there is sudden memory loss, consider acute cerebrovascular disease. If there is a sudden memory loss, consider the possibility of acute cerebrovascular disease. You need to go to the hospital to do a cranial magnetic resonance examination to find out if there is infarction or bleeding in the temporal lobe, hippocampus, or frontal lobe. 3. When memory loss occurs in the elderly, ask the patient about his recent sleep.