Dizziness, tinnitus and sweating are mostly considered to be caused by transient ischemia and hypoxia of the brain. Vascular vagus nerve reflex, stimulation, staying up late, fatigue, crying, laughing, anger will cause the vagus nerve reflex, transient dilation of blood vessels leading to cerebral ischemia, hypoxia, dizziness, tinnitus, night sweating symptoms. Cardiac cardiac arrest or infarction, myocardial ischemia, arrhythmia, will lead to hemodynamic changes in the brain, the brain ischemia, hypoxia, resulting in dizziness, tinnitus, night sweats symptoms, low blood sugar can also lead to this symptom. Cerebral origin of the brain itself blood vessel stenosis, occlusion, plaque, etc., will lead to dizziness, tinnitus, night sweating symptoms. However, other factors can not be ruled out, it is recommended to consult a doctor in time to clarify the cause of the disease, and then give targeted treatment.