With the continuous development of the Internet, the form of medical academic communication is becoming more and more flexible and diversified, breaking through the obstacles of time and space. The Rheumatology and Immunology Series (Phase IV) hosted by Chengdu High-Tech Medical Association was held on September 5, 2024 in an online format. Rheumatology and immunity, as an emerging discipline, has a large number of patients suffering from rheumatology and immunity diseases in China. Only through early diagnosis and standardized treatment can patients return to a comfortable life as soon as possible. In order to promote the academic development of rheumatology and immunity, and to promote exchanges between regions, this rheumatology and immunity academic exchanges meeting is organized.