Mental exhaustion usually refers to neurasthenia, which is characterized by memory loss, difficulty in concentrating, and easy fatigue, and may have a serious impact on work and life. Neurasthenia is one of the diagnoses of neurosis in China. It is due to long-term tension and stress, the phenomenon of easy mental excitement and easy brain fatigue, often accompanied by emotional troubles, irritability, sleep disorders, muscle tension pain, etc., and these disorders can not be attributed to the brain, physical diseases and other mental illnesses. The recurrence of neurasthenia symptoms may also cause the patient to develop some other psychiatric disorders, such as anxiety, depression, etc., will have a serious impact on daily work and life. When the manifestation of neurasthenia, it is recommended to consult a doctor as soon as possible for examination, to clarify the specific causes, timely treatment, to avoid delays in the condition.