Baby’s one hand is hot and one hand is cold may be covered by the quilt only one hand, the hot hand often move, poor blood circulation, etc.. If the baby sleeps, parents do not pay attention to the baby covers only half of the quilt, one hand outside the quilt, the other hand in the quilt, so that the small hands exposed directly in contact with the external environment, heat dissipation faster than the quilt inside the hand cooler, this time to cover both hands will play a role in keeping warm. When babies play, if they often use only one hand to move, it will produce more heat, so it is hotter than the other hand, at this time you need to move both hands together. It may also be due to poor blood circulation resulting in one hand hot and one hand cold, this situation needs to be examined and treated in a timely manner in the hospital, to prevent the local blood supply caused by insufficient local tissue inflammatory response, but also need to pay attention to keep warm. Babies with one hot hand and one cold hand should be closely observed, if the symptoms are not relieved by the above treatment, it is recommended to consult a doctor in time.