The most common cause is hypoglycemia, when the blood sugar is lower than 3.9mmol/L, there will be cold sweat, palpitations, hand trembling, nausea, vomiting and weakness of the body. 2, cold sweat, dizziness and vomiting are also caused by infectious factors, the most common factor is gastrointestinal tract infection. The most common factor is gastrointestinal tract infection, in which gastrointestinal tract infection with bacteria or viruses can lead to cold sweats, dizziness, nausea, vomiting, and clinical symptoms such as abdominal pain and diarrhea. The clinical symptoms and manifestations of dizziness, cold sweat, and vomiting.