Spastic hemiplegic gait hemiplegia is commonly caused by cerebrovascular disease, encephalitis, traumatic brain injury and other sequelae. The intake of salt should be limited to less than 10 grams a day, less animal fat and sugar, and a balanced intake of protein, dietary fiber, vitamins and minerals. 2, avoid excessive drinking, smoking, regular life. Excessive drinking can lead to liver dysfunction and cause abnormal brain function. People who drink more than 0.3 liters a day are more likely to get cerebrovascular dementia than the average person. Smoking does not only cause cerebrovascular dementia, but is also an important cause of myocardial infarction and other dangerous diseases. 3. Prevent arteriosclerosis, hypertension and obesity and other lifestyle diseases. Early detection and early treatment. 4.Be careful not to fall, head fall can lead to dementia. Senior people should use crutches if necessary. 5, often maintain a high level of interest in things and curiosity, can increase a person’s attention, to prevent memory loss. The elderly should do more things of interest and participate in public welfare activities and social activities to strengthen the brain nerves. 6, to actively use the brain to prevent brain decline. Even when watching TV series, feel free to say what you feel can achieve the purpose of using your brain power. Reading books and publishing ideas, playing chess, writing diaries and letters are all simple and helpful methods for brain power. 7.Pay attention to people at all times, maintain good interpersonal relationships, and find their own survival value. 8.Keep a young heart and dress yourself properly. 9.Avoid being too deep, negative and sighing, and live with a cheerful mood. Senior citizens often have to face the experience of loss such as retirement, death of friends, etc. Many people thus get depression, so that the immune function is reduced, no appetite and physical strength, and even bedridden for a long time.