Along with the increase in cerebrovascular patients, dementia is a problem that is increasingly troubling many patients and their families, and its manifestations and care are briefly described as follows: I. Clinical manifestations: reduced level of logical thinking: slow reaction, difficulty in thinking, reduced comprehension of general knowledge, reduced calculation ability; personality variation: impatience and irritability, scattered life; language and somatic motor disorders: fragmented language, slow, incoherent, incoherent, incoherent, incoherent. In the late stage, the patient is bedridden and completely loses the ability of self-care. Psychological care: pay attention to the language communication skills, seek the patient’s cooperation and understanding, avoid the patient’s emotional excitement, maintain emotional stability; motor care: encourage moderate exercise in daily life, do some simple household chores, participate in some meaningful social activities, serious patients can help to do some passive activities; safety care: the patient’s home often activities in the area of the obstacles removed in a timely manner, dangerous goods placed in the The patient can’t see or can’t reach the location; carry the phone number of relatives who can be contacted when going out.