Causes of dizziness, cold sweat, and wanting to vomit: First, brain diseases, especially cerebrovascular diseases, such as posterior circulation ischemia or posterior circulation infarction, microbleeds in the brain, stimulation of the brainstem or cerebellum after the emergence of dizziness, rotation of vision, sweating, nausea, vomiting symptoms, after the head CT or MRI can be diagnosed; Second, dizziness, cold sweat, and wanting to vomit in the clinic in the cardiac disease, especially heart Premature heart beat, due to frequent premature heart beat affects the heart ejection, the brain will appear ischemic performance, the patient appears dizziness, panic, sweating, nausea, vomiting, etc., can be given to the patient for dynamic electrocardiography test; three, dizziness, cold sweat, get up to vomit, clinically seen in some diabetic patients, hypoglycemia due to hypoglycemic stimulation, dizziness, cold sweating, vomiting, fatigue, accompanied by panic, etc., to give the patient timely replenishment of Sugar.