Objective:To explore the effect and the nursing methods of NIPPV(noninvasive positive pressure ventilation) therapy in severe acute pancreatitis complicated with ALI(acute lung injury)/ARDS (acute respiratory distress syndrome).Methods:52 patients with acute critical pancreatitis in our centual ICU from (January

2000 to June

2004)were analyzed.Among them

32 patients with ALI/ARDS

in which 29 patierts were treated by NIPPV and 3 patients were treated by IPPV.Results:Among 29 patients treated with NIPPV

25 patients were cured and 4 patients were further treated with IPPV

among them 3 patients died.Conclusion:There are following advantages for SAP patients complicating with ALI/ARDS treated by NIPPV:less suffering

maintenance of normal function of upper respiratory tract and reduction in the rate of lung infection.Furthermore it also shortens the time of hospitalization and saves money for patients

while increased cure rate combined with comprehensive therapy.