The invention discloses a bus driver safety monitoring system. The system includes an information receiving module, a control processing module and an information conveying module; the information receiving module is connected to external equipment through a wireless network; the external equipment includes a smart wristband, a thermal imaging camera, an infrared camera and an automobile escort meter; the control processing module includes a data analysis module, an image processing module, a logical judgment module and a state storage module, for data from the information receiving module, processing can be performed according to different sources, a current alert status level can be stored, and alert status can be cumulatively overlaid or eliminated according to different triggering conditions; and the information conveying module receives information and a control signal from the control processing module, and is connected to a bus passenger transportation center and a public security department through the wireless network. The system monitors the safety status of bus drivers and focuses on monitoring whether the drivers are attacked, so that the system has greater practical significance for public transportation safety.