Conclusions: The rate of POGO in group I is higher than that of group II, Video supporting glottis vision is clearer than Macintsh laryngoscope because the degree of Cormack and Lehane in group I is lower than that of group II (p < 0.05), the rate of first success in group I was higher than that in group II with p < 0.05; the time of intubation in group I was faster than that in group II, there was a difference with p < 0.05; IDS score in group I was lower than that in group II with p < 0.05; hemodynamics after 1 minute intubation of group II changed more than group I with p <0.05; the rate of sore throat, hoarseness after cervical spine surgery in group I was lower than that of group II with p < 0.05