When neurasthenia is serious, it may cause sleep disorder, memory loss, anxiety disorder or depression. 1. Sleep disorders: when suffering from neurasthenia there may be difficulties in falling asleep and other conditions, which cause sleep disorders. It will affect the patient’s work, study and life for a long time. 2. Memory loss: If neurasthenia lasts for a long time, patients may suffer from memory loss, generalized fatigue, lack of concentration and so on. 3. Anxiety or depression: neurasthenia is mostly caused by psychological stress and other reasons, if not timely adjustment and treatment can lead to anxiety or depression. When suffering from neurasthenia, it is recommended that should go to the hospital, according to the patient’s condition characteristics of treatment.