This article presents a systematic pathology study of inclusion body hepatitis of avian mnong 32 million chickens of 87 chicken farms during the period of 1994 - 1995 in the central south section of hebei province 介绍了河北省中南部地区1994 - 1995年间, 87个鸡场, 3200万只鸡发生鸡包涵体肝炎的系统病理学研究。