Baby fever hands and feet cold mainly because of fever caused by peripheral vasoconstriction, the end of the blood perfusion is poor due to the baby is in the body temperature rise period. The baby’s limbs contain less blood, easy to appear blood supply, at the same time the baby’s autonomic nervous system development is not yet complete, easy to appear dysfunction. Therefore, when the baby fever, the small blood vessels at the end of the limbs in a state of spasm, it is easy to appear cold limbs. Baby fever hands and feet cold in the clinical often see, need to pay attention to this does not mean that the fever. On the contrary, at this time the baby’s internal organs are in a feverish state, the phenomenon of this real hot fake cold, it is the baby’s body temperature rising precursor. When the baby fever and cold hands and feet, parents can use a warm towel to improve the end of the extremities of the circulation, a small number of times to drink warm water to help lower the temperature, while immediately sent to the doctor.