The utility model relates to a yawing force testing arrangement based on dull and stereotyped braking, the device is including brake force and yawing force testing arrangement, data acquisition and processing system and control system. The utility model discloses the device is real -time measurement brake force and yawing force in automobile emergency brake, trend that analysis evaluation takes place the off tracking, sideslips and turn on one's side, and realize the more accurate detection of vehicle brake performance and reasonable evaluation is made to the stability when brakeing the car, the utility model discloses but device wide application in car security performance measuring station has realistic meaning to the safety traffic of car control.