Naproxen is useful for pain caused by frozen shoulder. Naproxen is a non-steroidal anti-inflammatory drug for rheumatoid arthritis, osteoarthritis and other diseases, and can also be applied to relieve pain caused by musculoskeletal and other diseases. It has the effect of reducing inflammation and relieving pain. Adverse reactions such as itching of the skin, dyspnea, tinnitus, edema of the lower extremities, gastrointestinal discomfort, dizziness, drowsiness, blurred vision, and kidney damage can occur during the application of naproxen. Hypersensitivity to NSAIDs is contraindicated in patients with gastrointestinal bleeding conditions and in patients with severe heart failure. Not to be used with anticoagulants. It is contraindicated in pregnant and lactating women. If the symptoms of frozen shoulder are severe, it is recommended to carry out standardized treatment in time to avoid delaying the condition. The above drugs should be used under the guidance of a physician, and should not be used without authorization.