Alzheimer should be referred to as Alzheimer’s Disease, and its treatments include life care, non-pharmacologic treatments, and pharmacologic treatments. Alzheimer’s disease is a degenerative change in the central nervous system that occurs in old age and old age and is characterized by progressive cognitive dysfunction and behavioral impairment. 1. Life care: e.g. preventing falls and injuries, going out and not returning home, etc. Pay attention to patients with complications such as malnutrition, infections and pressure sores. 2. Non-pharmacological treatment: e.g. occupational training, music therapy, exercise therapy, etc. 3. Pharmacotherapy: ① improve cognitive function, such as cholinergic inhibitor donepezil, lisdexamfetamine, etc., NMDA receptor antagonist memantine, brain metabolism improvement drugs piracetam, olanzapine and so on. ② Control of psychiatric symptoms, such as the application of antidepressants fluoxetine, paroxetine, sertraline, etc., antipsychotic drugs risperidone, quetiapine, olanzapine and so on. Patients with Alzheimer’s disease should seek medical treatment in time and follow the doctor’s instructions so as not to miss the condition. Drugs need to be used under the guidance of a doctor.