【摘要】乙型肝炎是由乙型肝炎病毒(HBV)侵犯人体肝脏后出现的一系列免疫应答反应，机体通过特异性体液免疫(抗一HBs)和细胞免疫而清除病毒，使患者恢复健康，但是部分患者由于抗体产生不足或抗体效价不高，缺乏有效的细胞毒T淋巴细胞等因素，导致不能将病毒清除，以至HBV在受感染的肝细胞内不断复制增殖，不断释放并进人未感染的肝细胞，同时诱发一系列的免疫细胞对受感染的肝细胞的反应，导致肝细胞的损害和炎症。

    【关键词】乙型肝炎；病毒；复制

    The virulent hepatitis B clinical treatment present situation

    MOU Cheng-min

    【Abstract】Hepatitis B is (HBV) encroaches upon a series of immunities reply response after hepatitis B the virus which the human body liver appears, the organism through the specificity body fluid immunity (anti-HBs) and the cellular immunity eliminates the virus, makes the patient to restore the health, but partial patients because the immune body has the insufficiency or the immune body effect price is not high, lacks factor and so on effective matrixtoxin T lymphocyte, causes not to be able to eliminate the virus, down to HBV in receives in the liver cell which infects unceasingly to duplicate multiplies, unceasingly releases advances together the person infection liver cell, Simultaneously induces a series of immune cell to the liver cell response which receives infects, causes the liver cell the harm and the inflammation. ......