Ibuprofen granules are commonly used as antipyretic and analgesic drugs in pediatric patients, mostly for fever caused by cold and flu, with strong antipyretic effect, longer maintenance time and less adverse reactions, and less likely to cause allergic reactions and gastrointestinal bleeding and other adverse symptoms, but can cause renal damage in pediatric patients. Therefore, it should be used with caution in children with reduced effective blood volume. In addition, the process of using ibuprofen to reduce fever can lead to profuse sweating, so children with symptoms of dehydration should take it with caution. Children under 4 years of age should take ibuprofen pellets as prescribed by the doctor, and pay attention to the dosage to avoid kidney damage. half a packet for children aged 4-8 years, and one packet for children aged 8 years and above. If fever symptoms do not resolve, take one dose at an interval of 4-6 hours until the symptoms resolve. Be careful not to use more than 4 times a day, i.e. 24 hours, and not to use the medicine for more than 3 consecutive days. This medicine should be taken with warm water. Note that the child should drink more water to prevent excessive loss of body fluids leading to deficiency and also to facilitate the excretion of toxic substances. If nausea, vomiting, diarrhea, rash and other symptoms appear, the drug should be stopped immediately and medical attention should be sought promptly.