我国为乙型肝炎高发区,无症状HBsAg携带者占人群的10%～20%,肺结核病患者中乙型肝炎病毒(HBV)标志物阳性率也很高。而且肺结核病化疗用药时间长,同时并用几种药物,而抗结核一、二线药物中大多数对肝脏有一定影响,可产生一定的毒性。文献报道有10%～30%结核患者在化疗时出现肝损害。而且无症状HBsAg携带者肝脏 China is a high incidence of hepatitis B, asymptomatic HBsAg carriers accounted for 10% to 20% of the population, tuberculosis in patients with positive rate of hepatitis B virus (HBV) markers are also high. And tuberculosis chemotherapy medication for a long time, at the same time with several drugs, and most of the anti-TB first and second-line drugs have a certain impact on the liver, can produce some toxicity. Reported in the literature 10% to 30% of tuberculosis patients with liver damage in the chemotherapy. And asymptomatic HBsAg carriers in the liver