Baby cold hands and feet, cold sweat mainly due to the following reasons: 1, wearing too thick, when the temperature drops, some parents are especially worried about the baby will be cold because of cold and cold, so the baby will let the baby to wear a particularly thick, but the baby is more active, at this time it is easy to lead to the body sweating, but the hands and feet and cold air contact, coupled with small children’s ability to regulate temperature is relatively poor, there will be cold hands and feet of the symptom appeared. 2, calcium deficiency Caused by, some babies are more picky eaters, partiality, it is easy to calcium deficiency, this will cause the baby’s sympathetic nerve excitability, coupled with the baby’s activities, metabolism is more vigorous is easy to sweat, but the heart’s strength is relatively weak, the hands and feet of the blood supply is less, the hands and feet of the relative temperature is relatively low. 3, the precursor to the cold, if the baby body is hot, but the hands and feet are cold, the baby’s Spirit is not very good, do not love to move and do not love to eat, this time to help the baby in time to measure the temperature, to see whether the cold, fever.