Driving auxiliary device

The utility model discloses a driving assisting device which comprises a vehicle-mounted terminal arranged on a vehicle and road condition obtaining devices arranged on the two sides of a road. The vehicle-mounted terminal comprises a processing module, and a positioning module, a first communication module, a first image acquisition device, an alarm device, a display device and an acceleration module which are connected with the processing module; the positioning module, the first communication module and the first image acquisition device are arranged on a roof rack of the vehicle; the first image acquisition device at least comprises four cameras which are respectively used for acquiring the front, rear, left and right of the vehicle; the alarm device is arranged on one side of an instrument panel in the vehicle; the display device is connected with the first image acquisition device; the acceleration module is connected with a vehicle chassis and used for obtaining acceleration information of a vehicle in