Merrill is ibuprofen suspension, after drinking ibuprofen suspension about half an hour to an hour or so to begin to reduce fever. If the patient’s fever is too high, in addition to oral ibuprofen suspension to reduce fever at the same time, can be combined with physical cooling methods to reduce fever. Ibuprofen suspension belongs to non-steroidal anti-inflammatory drugs, with antipyretic and analgesic effects, after taking ibuprofen suspension, the drug needs to be absorbed through the gastrointestinal, liver metabolism into the blood circulation in order to play a role; patients with inflammation and infection is more serious or fever temperature is high, then the fever is relatively slow, patients with inflammation and infection is less serious or fever temperature is not high, then the fever is relatively fast. In the application of antipyretic drugs at the same time, warm water can be used to wipe the forehead, armpits, groin, palms, feet and other capillary-rich parts, but also the application of antipyretic patches, hot baths and other ways, through the physical cooling can play a very good effect of antipyretic. The application of antipyretic drugs need to master the indications and dose, frequency, can not be repeated application or overdose application.