Memory loss is a common clinical condition, organic lesions of the brain and various psychological disorders resulting in dysfunction can produce varying degrees of memory impairment. Memory loss is commonly caused by the following: 1, aging physiological function: adult memory changes with age, which is a physiological change, is a normal aging of memory, with age will have a certain memory loss, is a reflection of the decline of physiological function of the elderly; 2, cognitive dysfunction: memory loss is the earliest symptom of dementia, the elderly appear gradually aggravated Memory loss, especially the recent memory decline significantly, accompanied by calculation, comprehension and other dysfunction, to promptly seek medical attention, there may be cognitive decline, should be treated early; 3, organic brain damage memory is also related to physical health conditions: such as brain tumors, diabetes, alcoholism, hypothyroidism, neurosyphilis and other diseases can cause memory loss. 4, emotional disorders: anxiety and depression and other emotional disorders are common causes of memory loss, especially in young people memory loss is the most important cause of the disease. Memory and mental health also has a very important relationship, long-term mental stress, depression, low self-esteem, anxiety and other psychological state will cause inattention, as manifested by a decline in attention, can also cause memory impairment. In short, there are various causes of memory loss, first of all, we must clarify the causes of memory loss, and receive the right treatment in order to receive results.