Postoperative pulmonary complications were considered to be the main sequelae of general anaesthesia and may be expected to mom- after 5% of all and 10% of abdominal operations and are responsible for 13 % of postoperative deaths. These can be avoided by thorough preoperative physical examination, proper assessment of pulmonary, functions, treatment of pre-existing disease and proper medication. Adequate analgesia after operation is helpful. Postural drainage, bronchodialators and physiotherapy to the chest as a routine also cause significant decrease.