In order to promote the development of psoriasis and other fields, improve the level of precision diagnosis and treatment, use biological agents reasonably and safely, manage chronic diseases throughout the process, and reduce the burden of diseases on patients, the expert cloud salon "Case by Case, Difficult Analysis" of the series of academic conferences on standardized diagnosis and treatment of immune allergic diseases hosted by Chengdu High tech Medical Association was successfully held online on January 22, 2025.