This invention discloses a ventilatory laryngoscope with disposable laryngoscope lens comprising a laryngoscope handle and a laryngoscope lens, wherein the laryngoscope lens is movably connected with the extension arm on the end of the laryngoscope handle, a transparent lens protecting cover is arranged on the end surface of the closed end of the front end of the laryngoscope lens cavity, an oxygen injecting through-hole is formed on the transparent lens protecting cover； an oxygen supply pipe is in seal plug connection with the oxygen injecting through-hole, and another end of the oxygen supply pipe is connected with or inserted into an oxygen source pipe； a scrubbing nozzle is arranged on the transparent lens protecting cover, and further comprising a drug delivery pipe. The ventilatory laryngoscope according to this invention has advantages: during the trachea intubation ventilation and oxygen supply may be achieved in the body to effectively prevent cerebral anoxia, improve the success rate of cardio-pulmonary resuscitation, and provide and safe and reliable guarantee； during the intubation ventilation and oxygen supply may be achieved to effectively prolong the safe time limit of the trachea intubation, improve intubation safety and reduce the professional risk of the intubation； the secreta may be timely removed from the transparent lens protecting cover to achieve timely rescue of critically ill patients by collecting clear glottis image and smoothly completing the intubation.
