In the early stages of Alzheimer’s disease, patients may experience memory loss, speech function and disorientation. Patients with Alzheimer’s disease in the early stages of the disease often hidden disease, patients usually ritual socialization to maintain good, memory loss is often easy to be ignored, or is considered to be the elderly love to forget things, but memory loss will gradually begin to affect the patient’s daily life, the patient will often have repetitive behaviors, such as asking the same question over and over again. Early onset of the disease, the patient’s speech function will also be gradually impaired, and there may be difficulties in finding words and names. Disorientation may occur, which is characterized by confusion in unfamiliar situations. If an older patient develops any of these symptoms, it is suggestive of dementia and should be seen by a healthcare professional for evaluation.