Blood test can not detect Alzheimer’s disease, the diagnosis of Alzheimer’s disease should be combined with the patient’s clinical symptoms, mainly memory loss, at the same time is mainly with recent memory loss, the patient is also accompanied by spatial cognitive dysfunction, the patient needs to be given a head CT or MRI, which can find the brain atrophy, especially temporal lobe and hippocampus atrophy is mainly for the diagnosis of Alzheimer’s disease patients, to cooperate with the intelligence scale, such as the MMSE and so on, combined the above three diagnosis of Alzheimer’s disease patients. MMSE, etc. The above three items are combined to diagnose Alzheimer’s disease. Alzheimer’s patients can take oral acetylcholinesterase inhibitors, commonly used in the clinic, lithopanax methyl, donepezil hydrochloride, and at the same time to give the patient symptomatic treatment, we recommend that the patient usually use the brain more often, take the initiative to use the brain, if the patient’s later serious bedridden also need to give the patient nutritional support, to avoid pressure ulcers, malnutrition, and infections, etc..