Causes of 8 months children with cold hands and feet, hair fever, 1, mainly due to a variety of infections. Children suffering from viral infection or bacterial infection, the infection will cause the rise of inflammatory factors in the body, resulting in the upward shift of the body temperature center regulating point, after the upward shift of the body temperature center regulating point, it will cause the body to produce too much heat and dissipate less heat, resulting in an increase in body temperature. 2, due to the children’s ability to regulate the temperature is relatively poor, there will be cold hands and feet, the torso as well as the head of the fever situation, this case also suggests that the body temperature is still in the This situation also suggests that the body temperature is still in the ascending stage, and it is necessary to test the body temperature in time. If the body temperature reaches 38.5 ℃ in the armpit, you can apply antipyretic drugs to relieve, such as acetaminophen.