In China, a large number of patients suffer from rheumatic and immune diseases. Only through early diagnosis and standardized treatment can patients return to a normal life as soon as possible. To advance clinical and basic research in the field of rheumatology and immunology, improve the diagnosis and treatment of rheumatic and immune diseases, enhance the clinical capabilities of rheumatology physicians, and promote interdisciplinary collaboration and exchange, the Chengdu High-Tech Medical Association successfully held the XII Rheumatology and Immunology Series Conference and the Sichuan-Chongqing Cloud-Based RA Diagnosis and Treatment Management Symposium online on December 29, 2025. The conference invited renowned experts in rheumatology and immunology to deliver specialized academic reports, focusing on classic cases and cutting-edge technologies in the field. Participants also shared new concepts, advancements, and information in current clinical rheumatology and immunology. Attendees expressed that they gained valuable insights from the event.