The utility model discloses an auxiliary device is driven to intelligent automobile, including on -vehicle unit, on -vehicle unit includes sensing system, control system and execution systems, the oneend and the car networking platform of on -vehicle unit are connected, the other end is connected with power pack, car networking platform includes communications network and communication terminal,power pack includes motor and battery pack, sensing system includes the camera subassembly, radar and locater, control system includes intelligent algorithm, chip and treater, execution systems is including accelerateing the executor, brake actuator and brake executor, the brake executor includes single chip microcomputer system, alarm device and braking system, single chip microcomputer system'soutput is respectively in alarm device, braking system and display screen are connected, single chip microcomputer system's input is connected with the output of sensor. Beneficial effect: when detecting vehicle or barrier threat driving safety, can automatic deceleration or start -up braking system to great improvement security performance, guarantee safety, the emergence of reduction accident.