Abstract: Individualized therapy is the current trend of treatment in advanced non-small cell lung cancer, the key of individualized therapy is to administrer different treatment options through different biological markers or clinical markers. Currently, biological markers include EGFR protein expression, EGFR mutations, EGFR gene copy, k-ras mutation, EML4-ALK gene fusion, C-MET gene. Clinical markers include rash, pathological types, etc. This article will give a review about those biomarkers.