目前，肺癌的发病率及病死率已跃居全球恶性肿瘤的首位，早期诊断和治疗已成为延长患者生存率的关键。细胞学检查在肺癌的诊断中占有极其重要的地位，而新兴的细胞学诊断技术可提高传统细胞学检查的敏感率，为肺癌早期诊断提供了可靠的解决途径。“,”At present, lung cancer incidence and mortality has leapt to the top of the global malignancy, early diagnosis and early treatment has become the key to prolong survival. Cytology in the diagnosis of lung cancer occupies an extremely important role, emerging cytologic diagnosis can improve the traditional cytology sensitivity, provides a reliable way to resolve the problem of early diagnosis of lung cancer.