If the baby’s whole body is cold after the fever is reduced, consider applying antipyretic drugs too much or improperly applying antipyretic drugs. If you do not use the medicine according to the weight, after the overdose of antipyretic drugs will lead to excessive sweating of the baby, so that the whole body is cold, the common methods are as follows: 1, this situation must pay attention to the wet clothes worn on the body after sweating, timely replacement into dry clothes, while paying attention to warmth, must be repeatedly and constantly rubbed with the hands to the baby’s limbs, which is conducive to the acceleration of blood circulation, so that it can be faster to re-warm 2, you can also apply a hot water bag or a hot treasure type of thing, placed in the baby’s armpits, hands and feet, to help the baby to rewarm, can be combined with drinking sugar water or milk and other warm things, conducive to rewarming. 3, if after parental treatment, the baby state is not good or more cool, you need to go to the hospital in a timely manner for intravenous infusion of energy combined to help the baby to rewarm.