This study was to explore the usefulness of the Criteria of International Autoimmune Hepatitis (CIAH) published by IAIHG in 1999 to the diagnosis of AIH patients in China and the pathological characteristic of AIH.

• 本课题研究国际AIH诊断评分标准(IAIHG，1999)对我国AIH患者临床诊断的实用性及AIH的病理学特征；