许多研究表明Ｅｐｓｔｅｉｎ-ｂａｒｒ病毒 (ＥＢＶ)感染与鼻咽癌、非洲Ｂｕｉｋｉｔｔ淋巴瘤、霍奇金病等恶性肿瘤的发生密切相关。近年来 ,国内外对ＥＢＶ与肺癌相关性研究渐多 ,但仍无定论。笔者采用独立设计引物的ＰＣＲ方法、限制性酶切分析法等检测肺癌中ＥＢＶ -ＢＮＬ Many studies have shown that Epstein-barr virus (EBV) infection is closely related to the occurrence of malignant tumors such as nasopharyngeal carcinoma, Buikitt lymphoma and Hodgkin’s disease in Africa. In recent years, more and more studies on the correlation between EBV and lung cancer have been made at home and abroad, but it is still inconclusive. I used an independent design primer PCR method, restriction analysis and other detection of EBV-BNL in lung cancer