In order to promote the development of psoriasis, improve the precision diagnosis and treatment level of psoriasis, deepen the interpretation of medical insurance policy, reasonably and safely use biological agents, and reduce the disease burden of patients. After research, a series of meetings on standardized diagnosis and treatment of immune diseases (Phase I and Phase II) will be held online on March 10 and March 24, 2022. This meeting will be hosted by Chengdu Hi-Tech Medical Association