Chronic obstructive pulmonary diseases are being increased every year by many factors. But there are two important factors. First of all the atmospheric contamination is due to modern civilization, secondarily, the increase of old age population which is the result of prolonged life span by contribution of modern medicine. For these reasons increasing chronic obstructive pulmonary disease, anesthesiologists have had increased problems to administer anesthesia, because these patients are most difficult to manage for anesthesia. Author have studied for if it could be diminished these problems by comparing of the complications during period of anesthesia induction, maintenance, recovery and 5 postoperative days, with IPPB therapy and other physical therapy. The results of the study are as follows: 1) Pre and postoperative IPPB therapy is more useful to diminish anesthesia problems compared with other physical therapy. 2) Other physical therapy is useful when compared with controlled group. 3) IPPB therapy is the choice of treatment for postoperative atelectasis. Statistical significance was assessed by using student t test.