There are many causes of cold sweats, dizziness and vomiting: first, patients with bacterial or viral infections during the cold, which can be accompanied by this symptom when the condition is more serious. Second, patients with postural hypotension may experience dizziness, cold sweats, vomiting, and weakness of both lower limbs when sitting up, and may even fall down in severe cases, which should be kept in the prone position and can be relieved after rest. Thirdly, when hypoglycemia occurs, patients will have cold sweat and vomiting symptoms, which must be corrected in time. Fourthly, migraine can also occur with dizziness, nausea and cold sweat, which can recur after poor sleep, cold and overuse of the brain.