The symptoms of neurasthenia are complex and diverse, with three main groups of symptoms: decreased mental energy, emotional and physiological dysfunction, which are manifested as follows: 1. The excitability of neurasthenia patients is more likely to be manifested by increased involuntary recall and association, active thinking but lack of effective direction. The excitability of neurasthenia patients is different from the excitability of other psychotic manic patients, which is not accompanied by increased activity at the same time. 2, mood disorder: on the one hand, patients often feel difficulties, on the other hand, they feel incompetent, so they are easily agitated, worried, irritable and often regretful, and many patients also have a certain amount of anxiety and depression. 3, physiological dysfunction: patients mostly show tension pain, including headache and limbs, low back pain, as well as dizziness, head weight, etc. Sleep disorders, mainly difficulty in falling asleep, dreaminess, easy to wake up, self-consciousness of shallow sleep without relief, no sense of sleep, thinking of sleeping during the day, etc. In addition, common symptoms include palpitations, tinnitus, chest tightness, blurred eyes, excessive sweating, abdominal distension, sexual dysfunction, etc. In summary, neurasthenia is caused by the patient’s long-term tension and stress, mental excitement and brain fatigue, often accompanied by emotional worries, irritability, sleep disorders, muscle tension pain, etc. Symptoms are sometimes mild and sometimes severe, fluctuations related to psychosocial factors, the course of the disease is much delayed, should be under the guidance of professional psychiatrists for diagnosis and treatment.