The invention discloses an automobile steering transmission mechanism, and particularly relates to the technical field of automobile steering, the automobile steering transmission mechanism comprisesfront wheels and rear wheels, a transverse shaft is fixedly connected between one sides of the front wheels, anti-abrasion structures are arranged on the two sides of the transverse shaft, and a damping structure is arranged on one side of each front wheel. The turntable, the steering column, the steering rods, the rotating shaft, the gear and the rack are arranged, the gear is movably connected to the bottom end of the rotating shaft, the gear at the bottom end of the rotating shaft is engaged with the rack in the steering column, the turntable and the rotating shaft are rotated to drive thegear, and the gear can drive the rack to drive the steering rods on the two sides of the rack to move left and right; the steering rod drives the front wheel to achieve left-right steering movement, the steering rod is movably connected to one side of the front wheel, normal running of the front wheel cannot be affected, the steering stability of the automobile is enhanced through the structure, steering rotation is achieved through meshing of the gear and the rack, and a power source is saved.