The main reason for babies’ cold hands and feet is that the blood circulation in the endings of the baby’s limbs is not smooth enough and is slow. Attention should be paid to prevent the baby from excessive exposure to cold and cause upper respiratory tract infection and fever symptoms. You can soak your baby’s hands and feet in warm water, and wipe your baby’s cold limbs with a hot towel to promote unimpeded peripheral blood circulation and speed up circulation in the circulatory system, so that the temperature of the limbs can return to normal, and to prevent your baby from getting cold. If the baby has fever symptoms, pay attention to appropriate heat dissipation, avoid covering heat and excessive sweating, dehydration, can test blood routine, clear cause, symptomatic treatment.