In order to further improve the diagnosis and treatment level of respiratory critical diseases, strengthen communication and collaboration among multiple disciplines such as respiratory, intensive care, ICU, etc., jointly explore hot and difficult issues in the field of respiratory critical diseases, share cutting-edge information and experience, and promote the development of interdisciplinary joint diagnosis and treatment models. The Chengdu High tech Medical Association held an academic seminar on "New Developments in Diagnosis and Treatment of Severe Infections" on September 11, 2025. The conference invited renowned experts in respiratory critical care, ICU and other fields to give special academic reports and exchange cases, promoting interdisciplinary integration and innovative development. Representatives attending the conference expressed that they have benefited greatly.