Ibuprofen is usually taken at intervals of 4-6 hours, not more than 4 times a day, and is not recommended for long-term use. Ibuprofen is an antipyretic and analgesic drug, which can relieve mild to moderate pain and fever (above 38.5℃). However, because ibuprofen tends to cause irritation to the gastrointestinal tract, it can even cause nausea, vomiting, skin rash, abnormal blood clotting function, and epilepsy in patients. Therefore, frequent and high doses are generally not recommended, especially for children, and should be administered according to the child’s weight, and the interval between two doses should be at least 4-6 hours and not more than 4 times a day. If after 3-5 days of medication, the patient’s symptoms are still not significantly relieved, he/she should promptly go to the hospital, improve the relevant examination, clarify the specific cause and then actively treat according to the plan formulated by the doctor. In addition, care should be taken not to take other antipyretic and anti-inflammatory drugs of the same type at the same time when taking ibuprofen, so as not to affect the health of the patient.