The invention discloses a method and device for automatically recognizing information of passengers in a passenger ropeway car, and the method comprises the following steps: (1), obtaining the identifications and images of the passenger ropeway cars, wherein each car has a unique identification, and the image of each car comprises a complete car interior region and car edges; (2), carrying out theedge detection of the car images, obtaining the edge information of the car images, and recognizing whether there are passengers in the passenger ropeway cars with different identifications or not according to the different edge information of the passengers and the cars. According to the invention, the method can be used for achieving the more accurate and timely rescue operation for the passenger ropeway cars, and guarantees the personal safety of the passengers.