Abstract: Pulmonary function test is a substantive judge for indication of operation inesophageal cancer patient, especially there is chronic obstruction pulmonary disease(COPD), FEV₁ is the most important teat in pulmonary function, but can not predetermine postoperative pulmonary function condition. Spontaneous pneumothorax, pneumonectasis, bullous emphysema, fibra pulmonary disease, radiopulmonary disease with COPD preddispose the patients easily to catch respirative failure (ARDS). Respiratorytract infections and bronchi-spasm must be controlled, and it may decrease complications, Early treatment for very complications is a favorable therapy for ARDS. Mechanical ventilation with PEEP was used for all in this groups, after tracheostomy, and shouldbe early performed. We treated ARDS with vascular dilatory drugs, recepted a good result.