Baby fever upper body heat lower body cool, common in the case of poor blood circulation function. In the early stage of fever, when the baby’s body temperature is in the early stage of rising, and the body temperature has not yet reached the peak, poor blood circulation will occur, and the blood circulation of the upper body is relatively rich compared to that of the lower body, which will lead to the child’s upper body heat and lower body cool. Babies with fever should have their temperature measured closely, if the temperature is below 38.5°C, consider taking physical cooling; use warm water to wipe the skin, focusing on the parts of the skin that have folds, such as the neck, armpits, groin, etc., and use a dry towel to absorb the moisture after wiping. If more than 38.5 ° C need to follow the doctor’s advice to use antipyretic drugs, such as acetaminophen, ibuprofen and so on. The baby fever on the upper body heat lower body cool, there may be other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment, the above drugs need to comply with the doctor’s instructions.