Epidemiology and capability of topological and morphological diagnosis of lung cancer was investigated in North-Ossetia Alania from 2001 to 2007. The results showed that from 2834 patients with cancer 520 (18.3%) people had lung cancer; the majority of them had central lung cancer (71%) and were males (89.8%) of age from 40-70 years old. As a result of diagnosis of lung cancer on early stages, morphological verification of lung cancer in North-Ossetia Alania has increased in more that two times from 1999 to 2007.