16 months of the baby fever 39 degrees, this time you can take physical cooling methods, including warm water to constantly wipe the body, including palms, feet to achieve the purpose of cooling, and secondly to see if there is a longer duration, if the duration is longer, certainly with the drug to be treated, because it belongs to the state of high fever. At this time it is best to go to the regular hospital to check the blood routine, to see if there is no infection or what causes, after finding out the cause of the disease, you can through targeted treatment.