Cold sweating in babies may be caused by vagus nerve excitation, and may also be related to calcium deficiency, colds and other factors. 1. Vagus nerve excitation, baby cold sweat may be developed sweat glands, the vagus nervous system excitability is elevated, is generally a normal body reaction, the baby’s body basically will not have an impact. 2. Calcium deficiency, if the baby’s body lacks calcium, may lead to increased nervous system excitability, cold sweats, restless sleep, crying and other symptoms. 3. Colds, the baby cold after the thermoregulation center is affected, the body needs more heat, may appear cold sweat symptoms. If the disease is present, it is recommended to take the baby to the doctor for examination and treatment in time.