We should not be unfamiliar with Alzheimer’s. Such people are not uncommon around us. When we see them, we can’t help but have some sympathy and pity. We always wonder if we will have such problems one day. It’s scary to think about it, and it also makes me feel that life is very gray. Alzheimer’s is a disease that plagues many families and causes them great emotional and financial stress. Alzheimer’s disease is a common disease in many elderly people nowadays, and the patient’s performance varies according to the severity of the disease. There are stages of Alzheimer’s disease: the first stage is memory loss, the second stage is brain atrophy, and the third stage is basically complete loss of the ability to care for oneself. For Alzheimer’s disease, if it is detected early, it will definitely be more beneficial for the subsequent treatment. This is the earliest symptom of Alzheimer’s disease. The patient may not be clear about what happened just ten minutes or half an hour ago. The symptoms gradually worsen as the disease progresses, but the long-term memory is relatively intact. Many patients with Alzheimer’s disease will experience great personality changes in the early stages. As the disease progresses, personality disorders and psychiatric symptoms gradually appear, manifesting as hallucinations, delusions, and delusions, and a decrease in calculation ability and operational ability. 3, language expression ability becomes poor, symptoms of light speech is more verbose, often repeated, nonsense talk, answer non-questions, incomprehensible, sometimes talking to themselves, the content of the mess, and sometimes do not speak, silent daze, has no ability to read books. This symptom is shared by many elderly people with Alzheimer’s disease. 4. Changes in vision. The early stages of this condition and will have problems with vision loss, a symptom that includes not being able to see well, or not being able to judge positions accurately. Some patients may even get lost in places where they often move, and many family members may mistake this disease for cataracts or vision loss as the elderly get older. 5. Mobility disorders, early manifestations of which are disorientation and loss, do not recognize the paths they used to take. In the middle stage, the elderly may move around a lot regardless of the time of day and night, and sometimes they may be noisy and unhygienic. In the late stage of Alzheimer’s disease, the elderly usually have slow movements, unstable walking, some are even bedridden, incontinent, and cannot eat by themselves. These are the most common symptoms of Alzheimer’s disease. Once there are similar symptoms, children need to pay attention to them. In the early and middle stages of Alzheimer’s disease, it is possible to recover by strengthening care and communicating with the elderly to help them recover.