Cold feet of newborns may be physiological factors, such as the body temperature regulation function is not fully developed caused by cold feet is normal; may also be caused by pathological factors, such as infection caused by fever caused by cold feet is not normal. 1. Physiological factors: newborn thermoregulation is not well developed, small heat production capacity, rapid heat dissipation, large body surface area, peripheral circulation is not good, the phenomenon of cold feet, this time to pay attention to warmth, you can cover more quilt, appropriate increase in clothing, and so on. In addition to pay attention to the baby is not too cold or too hot, as long as the baby’s palms, the heart of the feet of the gentle baby clothing is appropriate. 2. Pathological factors: baby infection caused by fever, the first stage will also appear feet cold, pay attention to monitor the body temperature. If the fever is accompanied by cold hands and feet, excessive sweating, breathing faster and other symptoms, to go to the hospital in time. Newborns with cold feet are recommended to seek medical attention in time for evaluation and judgment by a specialist and targeted treatment.