In the course of the state that causes hyperthermia, there is a manifestation of cold hands and feet, usually in the course before the onset of hyperthermia. It is most often seen in cases of upper respiratory tract infections. This situation should be closely observed, the temperature change is generally in the temperature rise period, this situation small children can give the head of the cooling paste to use, otherwise, may be in the case of high fever some children will occur easy to convulsions, you can give the child appropriate physical cooling, at the same time to give the appropriate cold and antipyretic drugs, relatively small children can give anal antipyretic medicine. Also be sure to feed more water. Adequate water is the basis for reducing fever. After the occurrence of this phenomenon, it is important to keep an eye on the possibility of repeated attacks, especially in the middle to the second half of the night, and the possibility of fever, which must be observed at all times. Give appropriate medication and antiviral drugs. If the fever does not go away after the medication is administered, then it is important to seek prompt medical attention for examination and treatment. If you are in the early days of the cold, it is not recommended to start with antibiotics, because the early stages of the cold are viral infections and antiviral medications can be used appropriately.