The causes of cold baby hands and feet mainly include the following aspects: 1, the baby’s poor thermoregulation ability, which is determined by the child’s physiological development, too cold or too hot environment in the body temperature condition reaction speed are worse than adults; 2, the baby wears less clothes, the baby did not keep warm when the weather is cold, there will also be cold hands and feet; 3, by the disease caused by the baby’s hands and feet are cold, such as fever before the child’s chills, cold hands and feet, anemia, Malnutrition and so on. All of the above babies will have lower hemoglobin or smaller red blood cells and anemia when they come to the hospital for laboratory tests, and then they need to be treated accordingly.