Patients always forget to do things belong to the symptoms of forgetfulness, patients forgetfulness may be physiological reasons, but also may be pathological reasons. 1, if patients lack of sleep, poor rest, fatigue or usually have an unhealthy way of using the brain, excessive reliance on electronic products, do not actively think will easily lead to patients with memory loss, do things when lost, always forget. 2, consider the performance of disease, such as patients are For example, if the patient is an elderly person and has memory loss, he/she should consider the early manifestation of Alzheimer’s disease. It is suggested that the patient should promptly consult the neurology department of the hospital and have the head CT, head MRI and intelligence scale checked to clarify. If it is indeed early Alzheimer’s disease, medication should be used as early as possible to intervene and slow down the progress of the disease. Donepezil hydrochloride, Olanzapine and sodium cytarabine can be given to patients in the early stage to improve brain metabolism and improve patients’ memory.