Baby fever 39 ℃, hands and feet hot, because there are infectious factors leading to high body temperature, through the hands and feet skin to dissipate heat. Fever is a protective response of the body to external stimuli, when the fever is lower than 38.5 ℃, physical cooling methods can be used, including warm water wipes, warm water baths, appropriate feeding children warm boiled water, etc.; when the fever is higher than 38.5 ℃, can be at the same time in the physical fever at the same time, comply with the doctor’s instructions to the baby oral ibuprofen or acetaminophen to reduce fever. Baby fever 39 degrees, may be caused by upper respiratory tract infection, bronchitis, pneumonia and other diseases, parents are advised to take their children to the hospital in a timely manner, in accordance with the doctor’s instructions to improve the examination, a clear diagnosis, and to take the corresponding therapeutic measures.