If the baby sleeps with warm hands and feet and a cold neck, parents are advised to measure the baby’s body temperature in time. If the body temperature is normal and there is no other discomfort, it is considered to be caused by physiological conditions or sleep environment factors. If the body temperature is high, accompanied by other respiratory symptoms, such as cough, nasal congestion, etc., can be considered to be caused by the cold. 1, common causes and treatment 1, physiological reasons: because the baby’s sweat glands are not well developed, but the body metabolism is fast, the body through sweating heat, so the hands and feet are warm when sleeping, but the neck muscles, fat tissue is relatively small, relatively cool skin, is a physiological phenomenon, no special treatment; 2, sleep environment factors: if the sleep environment temperature is too high, bedding clothing is too thick, plus the baby is in the Growth and development stage, the metabolism is high, will also lead to sleep with warm hands and feet, the back of the neck cold. Parents need to appropriately reduce the room temperature, such as the use of air conditioning, fans, etc.; 3, cold: baby in addition to sleep warm hands and feet, the back of the neck cold, but also accompanied by fever, nasal congestion, runny nose, sneezing, dry cough and other symptoms, need to improve the blood routine, throat swab culture and other tests, the light to general treatment, pay attention to rest, maintain a good surrounding environment, drink more water and supplement vitamin C. If no relief, need to follow medical advice to physical cooling If there is no relief, physical cooling or oral acetaminophen should be used to reduce fever. If combined with bacterial infection, antibiotics can be used to treat. Parents should pay attention to dressing their babies reasonably, not too thick, so as not to induce a cold by sweating too much, and to dry up in time after sweating, and to replenish water appropriately.