Recent memory loss, need to be alert to cerebral infarction, Alzheimer’s disease, functional memory loss, as follows: 1, cerebral infarction: medial temporal lobe, hippocampus, amygdala and other structures if cerebral infarction occurs, it will cause a sudden decline in memory to the learning ability of the most obvious damage, the patient can’t remember what has just occurred can’t assimilate new knowledge; 2, Alzheimer’s disease: also known as senile dementia. This memory loss is chronic onset of disease, progressive aggravation, early to near memory impairment, with the progress of the disease, gradually appeared distant things also began to forget, and time, place, character orientation also appeared to be impaired, computational power also decreased; 3, functional memory loss: this situation is more common in the anxiety, depression and menopausal neurasthenia of the patient, objective examination of the patients Memory is not impaired, the patient’s own memory loss is often due to the patient’s attention can not be focused.