Sinomenine is widely used in traditional Chinese medicine for its anti-inflammatory and immunosuppressive properties. It is primarily applied in the treatment of rheumatoid arthritis, where it helps reduce joint swelling and pain by modulating immune responses. Additionally, it has been studied for its potential in managing other autoimmune disorders and chronic inflammatory conditions. In recent research, sinomenine has shown promise in neuroprotective applications, particularly in mitigating neurodegenerative diseases like Alzheimer's. Its ability to inhibit inflammatory pathways also makes it a candidate for exploring treatments in cardiovascular diseases and certain types of cancer.