Pediatric fevers usually last for about 2 to 3 days and may be prolonged in severe cases. Pediatric fevers need to be treated promptly. Pediatric fevers are usually mild, parents find timely treatment, control is better, the fever may be 2~3 days; pediatric fevers are more serious, the child’s body resistance is relatively poor, the parents did not take the correct way to reduce fever, it may be a long time, 5~7 days to reduce the fever. Parents can monitor the body temperature, if the fever is low, you can give the child a warm bath, wipe the body with a warm towel and other physical cooling to help reduce fever; such as high fever, you need to give the child to eat ibuprofen and other antipyretic drugs to lower the temperature. Parents also need to help the child to adjust the diet, to avoid letting the child eat too much, if necessary, can take the child Huaji oral liquid and other medications. Parents can take their children to regular hospitals and follow the doctor’s instructions when they find that they have a fever from food retention.