Merrill i.e. Ibuprofen Suspension, the mechanism of fever reduction is through the inhibition of prostaglandin synthesis, etc. to achieve antipyretic effect, need to follow the doctor’s instructions to use the drug. Ibuprofen suspension can inhibit hypothalamic cyclooxygenase, reduce prostaglandin synthesis, increase the heat dissipation process, so as to achieve antipyretic effect. In addition to antipyretic effect, this product can also be analgesic, anti-inflammatory. It is used for fever caused by colds in children, and also used to relieve mild to moderate pain in children, such as headache, migraine, arthralgia, muscular pain, dental pain, neuralgia and so on. Adverse reactions such as heartburn, nausea, vomiting, gastrointestinal ulceration or bleeding, mild dyspepsia, elevated aminotransferases, tinnitus, blurred vision, headache, somnolence, dizziness, nervousness, and edema of the lower extremities can be seen with this product. The drug is contraindicated for those who are allergic to the product and for asthmatics who are allergic to aspirin. The drug should be used rationally under the guidance of a doctor.