OBJECTIVE To explore the reason and the nursing measure of the ventilator-associated pneumonia(VAP).METHODS Fifty five patients with VAP after mechanical ventilation were statistically analyzed and the pathogens were detected,at the same time to carry out comprehensive nursing measure.RESULTS After effective nursing measuring the motality due to VAP was decreased and the successful rescue rate was increased.CONCLUSIONS The VAP associates with various risk factors,but it can be prevented and controalled via overall reasonable and effective nursing measure.