The difficult airway is a frequent problem among adult patients in intensive care unit. All critical patients should initially be evaluated as a potential difficult airway cases. Development of a serious desaturation should be considered since these patients have less physiological reserve compared to those with difficult airway due to elective surgery. Development of respiratory failure with H1N1 associated pneumonia is likely and support of intubation and mechanic ventilator shall be needed. The objective of this report is to present the management of a patient with H1N1 associated pneumonia who required intubation however could not be intubated due to difficult airway.