Pediatric Chai Gui after oral administration is generally about 1-2 hours, that can play the role of antipyretic, but oral Chai Gui antipyretic is for under the state of low fever, such as below 38 ℃, can play a good role in reducing fever. If the child’s temperature is ≥38.5℃ or when the child’s temperature does not drop after 1-2 hours of oral Chai Gui antipyretic, and at the same time there are chills, it means that the drug does not play a role, and there is a tendency for the temperature to rise. At this time, it is necessary to give the child oral antipyretic drugs, such as acetaminophen or ibuprofen to carry out treatment, according to the temperature, weight situation within 1-2 hours after giving oral antipyretic drugs, be sure to drink more water, diligent feeding, with warm water wipe and other ways to assist in the treatment of antipyretic, conducive to the temperature back to normal.