Baby fever shouting cold is in the fever blood circulation will be poor, while the central regulation of body temperature has changed, resulting in reduced heat dissipation from the body surface, increased heat generation, contraction of microscopic blood vessels in the skin, making the skin blood flow is reduced, not sweating skin temperature will be reduced, so it will feel cold. When the baby says cold, the family should promptly give warm water orally, and at the same time grasp the body temperature measurement, according to the temperature situation grasp to take antipyretic measures. Small children family members with rubbing limbs, auxiliary activities to regulate the way, older children can be running, jumping way, soon no cold feeling.