Cause patients dizziness, body weakness phenomenon, there are many aspects of the situation, as follows: 1, fatigue, poor sleep: due to the lack of good rest, the brain and the whole body of other organs, including muscle are not well restored, can appear dizziness, weakness phenomenon. 2, psychiatric disorders: such as anxiety and depression, the patient is often accompanied by somatization of the symptom, which is the most common is dizziness, Dizziness, weakness, fatigue, etc. 3, cerebral hypoxia: bathing time is too long or baking fire, etc., easy to lead to cerebral ischemia, hypoxia, as well as carbon monoxide poisoning, etc., can appear dizziness, generalized weakness. 4, cerebral vascular disease: such as cerebral arteriosclerosis, cerebral infarction, can lead to the above symptoms.