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Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease characterized by inflammation, joint pain, and cartilage degradation. The fluctuating nature of RA often necessitates long-term oral administration of treatment drugs, which can unfortunately lead to adverse effects such as gastrointestinal discomfort and hepatic and renal dysfunction. Therefore, a percutaneous local delivery method for the release of inflammatory modulators in arthritic joints represents a promising therapeutic approach for RA. In this study, we have developed a unique and innovative therapeutic platform (named BP-Rut@Gel). This hydrogel was formulated by incorporating the drug Rutin (Rut) into Black phosphorus nanosheets (BP) and subsequently integrating them within a Hyaluronic Acid (HA) and Polyvinyl Alcohol (PVA) matrix to create a composite hydrogel. Notably, Secondly, photothermal therapy (PTT) under Near-Infrared Irradiation (NIR) and anti-inflammatory drugs synergistically worked together to efficiently quell inflammation and enhance therapeutic effectiveness. Additionally, toxicity experiments have revealed that our synthesized black phosphorus nanosheet composite hydrogel possesses excellent biocompatibility and significantly reduces the inflammatory response in RA joints. Given these remarkable properties, our BP-Rut@Gel hydrogel held significant promise and demonstrated immense clinical potential for the treatment of RA.