There are many causes of generalized weakness, the common causes are mainly the following: first, neurasthenia, mostly seen in the case of staying up late, work and rest disorders, mental stress, etc., will not only have the symptoms of generalized weakness, but also cause memory loss, sleep disorders, dizziness, headaches and other symptoms, taking glutathione, vitamin B and other drugs can effectively relieve the symptoms; second, fatigue syndrome, the disease The second, fatigue syndrome, which is mostly seen in patients with high work pressure, work and rest disorders, and introverted personality, can also have the symptoms of generalized weakness, improve the relevant examination is often no organic changes, its treatment does not require too much treatment, through adequate rest and appropriate psychological counseling can effectively relieve the symptoms; third, hypothyroidism is also one of the common diseases that cause generalized weakness, but also accompanied by indifference, fear of cold, mucous edema and other clinical manifestations, improve the Thyroxine function measurement can be clearly diagnosed, and the symptoms can be effectively improved by taking thyroxine tablets.