Dementia is the chronic development of a comprehensive impairment of higher neurological functions, including memory, cognition, emotional behavior and many other aspects of dysfunction, as well as a decline in work and life skills. Dementia that occurs in old age is called “senile dementia”. Due to the long course of the disease, it is difficult to achieve the desired effect with only brief hospitalization. Therefore, it is important for family members to identify the symptoms of early dementia, pay enough attention to them and master certain nursing skills to slow down the development of dementia. 1.Functional exercise: According to the degree of physical handling of Alzheimer’s patients, complete daily activities such as washing face, brushing teeth and making bed as independently as possible; make suitable exercise plans for them, such as going up and down stairs, walking slowly, etc. 2. Strengthen memory and intellectual training: according to the patient’s interest, if you have the conditions, you can ask someone to accompany you and play chess, read newspapers, chat, practice calligraphy and painting every day to help the patient expand his thinking and improve his intelligence. 3, reasonable medication: Alzheimer’s patients often have hypertension, diabetes, coronary heart disease, cerebral infarction and other diseases, so these patients should control blood pressure, blood sugar, blood lipids, and prevent transient cerebral ischemic attacks. There is no specific medicine for Alzheimer’s disease, and most of the clinical treatment is symptomatic, such as poor sleep, application of sedative-hypnotic drugs; hallucinations and delusions, use of antipsychotics, etc. Families need to pay attention to the dosage and side effects of medication, careful monitoring, such as the emergence of sedentary inability, upright hypotension, delayed dyskinesia, anticholinergic syndrome, need to contact the doctor in a timely manner. 4, prevention of complications: Alzheimer’s patients are prone to bed sores, infections and other complications due to their reduced ability to take care of themselves and low immunity, which will increase the economic and nursing difficulties of the family once they appear. 5, accident prevention: Alzheimer’s patients may lose their intelligence, impulse, self-injury, suicide and other high-risk behavior, so families need to prevent suicide, impulse, destruction, loss, arson and other accidents when caring for them. 6.Love and emotional support: give adequate care in life, communicate with patients in simple, graphic, slow and clear language, with kind, gentle and calm attitude, listen to patients’ memories and sorrows patiently and often, so that patients’ suppressed emotions can be released, praise patients and encourage them often to arouse their positive emotions and make them more confident.