Naproxen capsule is a non-steroidal anti-inflammatory drug with analgesic, anti-inflammatory and antipyretic effects. Its main side effect is gastrointestinal reaction, which can induce gastrointestinal bleeding and ulcer. Long-term use will also have an impact on liver and kidney function. Chlorzoxazone tablet is a central muscle relaxant, which is used for pain caused by various acute and chronic soft tissue injuries or muscle spasms caused by central neuropathy. The main adverse reactions were digestive tract symptoms such as nausea, followed by nervous system reactions such as dizziness and drowsiness. Adverse reactions are generally mild, and can disappear or relieve themselves after stopping the drug. You have symptoms of leg joint muscle and limb pain. Taking the above two drugs can relieve symptoms, but they are symptomatic drugs and have no radical effect on the cause. The therapeutic effect is short-lived and disappears after stopping the drug. It is mostly used for short-term treatment of acute and chronic injuries of joints and muscles, and is not suitable for long-term medication. It is suggested to do some related tests to clarify the causes of joint muscle symptoms so as to treat them according to the causes.