Method and device for detecting safety introduction specifications of trainmen at emergency exit of passenger cabin

The invention belongs to the technical field of audio and human body posture recognition, and particularly relates to a passenger cabin emergency exit steward safety introduction specification detection method and device, and the method comprises the steps: determining a specific behavior specification rule and a standard safety introduction term of safety introduction of a steward at an emergency exit to a passenger based on a steward specification manual; the method comprises the following steps: carrying out safety introduction voice keyword detection on audio and video data collected at an emergency exit, and carrying out human body recognition and posture detection on steward and passengers; and contextual related grammar in the syntactic model is adopted to deduce whether the steward safely introduces and guides all processes conform to the specification or not. Whether the safety guidance of the steward is standard or not can be checked in the passenger cabin of the airplane, loss and flight delay caus