Clinically, many reasons can cause children’s hands and feet to be cold, because of the relationship between the child’s special physiological structure, as well as the underdevelopment of peripheral circulation, and the untimely increase or decrease of clothing are all related. With the gradual growth of the child’s age, the brown fat mainly used to preserve body temperature in infancy and childhood will gradually decrease, then the child’s body temperature will drop, and the child because the body surface area is relatively large, at this time the heat dissipation is relatively fast, the clinical symptoms of cold hands and feet will occur. Secondly, the child because the peripheral circulation blood vessels are not fully developed, because of poor blood circulation will lead to cold limbs. Finally, when the seasons change, do not add clothes for the child in time, will also lead to the child because of cold and cold hands and feet cold. It is recommended that parents should keep their children warm in time, increase clothing for their children in the fall and winter, pay special attention to the neck, abdomen and hands and feet, wear a mask, wear thick cotton clothes, gloves and cotton shoes, go out and pay attention to warmth, and when spring comes, do not take off the clothes at the first time, in order to prevent cold and cold and other clinical symptoms. In some children, the problem of cold hands and feet may persist for a long time. If it does not affect the child’s development and diet as well as his/her spirit, it can be left untreated for the time being.