Loxoprofen sodium is a non-steroidal anti-inflammatory drug with antipyretic, analgesic and anti-inflammatory properties. It can be used to relieve pain caused by rheumatoid arthritis, osteoarthritis and other diseases, but there are also side effects such as nausea and vomiting. The mechanism of action by which Loxoprofen sodium exerts antipyretic, analgesic and anti-inflammatory effects is the inhibition of prostaglandin synthesis, as this drug can inhibit prostaglandin synthase. Loxoprofen Sodium is mainly used to relieve mild to moderate pain caused by rheumatoid arthritis, osteoarthritis, gout, and chronic diseases caused by the musculoskeletal motor system. Loxoprofen sodium likewise has adverse reactions, particularly digestive reactions such as nausea and vomiting. It can also cause neurological side effects such as headache and dizziness. Therefore, the drug also has contraindications, for peptic ulcer or bleeding disorders, pregnant women and lactation, severe liver and kidney function impairment and other conditions are prohibited, in short, the use of the drug needs to be under the guidance of a professional doctor, please do not self-medication, so as not to delay the condition.