Colds and fevers are the most common childhood illnesses, especially when the weather changes. Babies with poor resistance are especially prone to colds and fevers, and babies with fevers and colds can have cold hands and feet. Because the baby itself due to the role of thermoregulation, resulting in poor peripheral circulation, showing cold extremities, because after the cold, the child’s blood circulation can not reach the end, the phenomenon of cold hands and feet, then you can give the child with warm water rub hands and feet, to promote blood circulation, but also to supplement nutrition, to ensure that the child’s resistance. The following care measures can be taken: 1, pay attention to warmth, pay special attention to the legs, feet warmth, if the lower extremities warmth is done well, the whole body will feel warm. Do not wear clothes that are too tight, because tight clothes hinder blood circulation, and proper exercise can increase blood circulation and metabolism. 2. Give your child warm food, do not eat cold food. 3.Regulate the room temperature. If the baby lives in an environment with suitable temperature and humidity, the hands and feet will not get cold, and at the same time, pay attention to the temperature is not too high, the child often sweats, which also easily causes diseases. To sum up, during the child’s cold, pay attention to it, pay attention to the changes in the condition, and go to the hospital in time.