Purpose of the Chinese Journal of Critical Care Medicine: To report the latest developments and experiences in scientific research, teaching and clinic in the field of emergency medicine at home and abroad, to promote the development of emergency medicine in China, and to continuously improve the level of teaching, research and treatment of various types of acute and critical illnesses. The content of the report mainly includes the basic experimental research, clinical diagnosis, treatment method research and teaching research on the pathogenesis of single organ or multiple organ and system function damage or failure of acute and critical diseases caused by diseases of all related disciplines (emergency medicine, internal medicine, external medicine, gynecology, pediatrics, neurology, ICU, etc.), and clinical treatment of acute and critical diseases is the key content. Columns mainly include guidelines and consensus, treatises, reviews, commentaries, case reports, sepsis column, pre-hospital emergency care, and special studies.