新生儿自胎内、经产道或在出生后感染某些病毒,可发生黄疸、肝大及肝功能异常,有时伴脾脏肿大。以上情况在未明确病因前可称为婴儿肝炎综合征,当病因明确后则不宜再用此名。此病大都自愈,少数发展成慢性肝炎或肝硬化,亦可呈重症肝炎。近2年来我们对50例初诊为婴儿肝炎综合征患儿,收集双份或多份血清,检测了乙肝病毒(HBV)标志 Newborns since the fetus, through the birth canal or after the birth of certain viruses, may occur jaundice, liver and liver dysfunction, sometimes accompanied by splenomegaly. The above situation can be called infantile hepatitis syndrome in the absence of a clear cause, when the etiology is clear, it is not appropriate to use this name again. Most of the disease self-healing, a few developed into chronic hepatitis or cirrhosis, severe hepatitis can also be presented. In the past two years, we collected 50 pairs of infants newly diagnosed with infantile hepatitis syndrome, collected two or more serums, detected the signs of hepatitis B virus (HBV)