慢性活动性肝炎(以下简称慢活肝,CAH)是由不同原因所引起的一种慢性肝脏炎症病变。可发生在各种年龄,20岁与30岁年龄组有两个发病高峰。女多于男,约为3:1。临床上有潜伏性、进行性与持续性肝损害,包括肝功能的异常和组织上的病理改变,病程超过6个月或更长时间。严重病例可因肝细胞衰竭、消化道 Chronic active hepatitis (hereinafter referred to as slow living liver, CAH) is a chronic liver inflammation caused by different causes. Can occur at all ages, 20-year-old and 30-year-old age group had two peak incidence. More women than men, about 3: 1. Clinically latent, progressive and persistent liver damage, including abnormal liver function and pathological changes in the organization, duration of more than 6 months or longer. Serious cases of liver cell failure due to digestive tract