Liver failure is a familiar clinical severe liver disease syndrome with a very high mortality rate. Over the years, scholars from around the world have been exploring the definition, etiology, classification, types, diagnosis and treatment, and prognostic judgment of liver failure. Reflecting changes, that have transpired in recent years at home and abroad relevant to clinical evidence, this guideline updates the information previously published by the Chinese Society of Infectious Diseases, Chinese Medical Association, Liver Failure and Artificial Liver Group, Severe Liver Diseases and Artificial Liver Group, Chinese Society of Hepatology, Guidelines for Diagnosis and Treatment of Liver Failure (2012 Edition).
肝衰竭是临床常见的严重肝病症候群，病死率极高。多年来，各国学者对肝衰竭的定义、病因、分类、分型、诊断和治疗、预后判断等问题不断进行探索。根据国内外最新研究成果，中华医学会感染病学分会肝衰竭与人工肝学组和中华医学会肝病学分会重型肝病与人工肝学组再次对我国的《肝衰竭诊治指南（2012年版）》进行更新。并将根据最新的临床医学证据不断更新和完善。.
Keywords: Artificial liver; Diagnosis; Guideline; Liver failure; Treatment.