Results: Cormack and Lehane levels in group I were lower than that in group II, p < 0.05, POGO rate in group I was higher than group II with p < 0.05; intubation time in group I was faster than group II with p < 0.05; the success rate in group I was higher than group II with p < 0.05; Pulse, mean blood pressure 1st minute after intubation in group I was lower than that in group II with p < 0.05; sore throat, hoarseness in group I was lower than that of group II with p < 0 .05.