Objective Bronchioloalveoar cell carcinoma(BAC)is in an adenocarcinoma of lung hypotype.This research is discussion bronchiole pulmonary alveolus cancer clinical symptom,pathology type,elephant characteristic,diagnosis treatment principle and prognosis.Method Collected from January,2000 80 example bronchiole tube bronchioloalveoar cell carcinoma(BAC)patient's clinical manifestation which admitted to January,2006,discussed the bronchial tube pulmonary alveolus cancer the treatment new pattern and the prognosis.Result Complex therapy curative effect surpasses the sole treatment result.Clinical by stages,pathology type,phantom study characteristic,treatment principle and patient lifetime close correlation.Conclusion The BAC treatment pattern should by the complex therapy primarily .Cannot the sur-gery patient be supposed to use first the chemotherapy after the later period the molecular target to continue the therapy to the treatment birthplace to be possible to obtain the good curative effect.Analyzes this group to conform to the above condition 27 example case of illness,the longest lifetime is 97 months,the position lifetime is 25 months.