The utility model discloses a toy car starting catapult, include: the box, the top of box is provided with track and the logical groove of a bar, and the bottom is equipped with a connected in star, transfer line, the both ends of transfer line be respectively on the rotatable end seat of installing on the box inner wall, is provided with one section external screw thread on being close to the left transfer line of box, lies in to be fixed with a bevel gear on the left transfer line of this external screw thread, the motor, the output shaft of motor is fixed with the 2nd bevel gear, and the 2nd bevel gear lies in just mesh with a bevel gear bevel gear's top, a bevel gear's right side is overlapped on the transfer line and lies in in push pedal, push pedal, and in a connected in star was placed in to the bottom of push pedal, the upper portion of push pedal was passed the bar and is led to the groove, and the department of cup jointing of push pedal and transfer line is provided with the external screw thread assorted internal thread with the transfer line, on main spring, the one end of main spring were fixed in the push pedal, the other end was fixed in on the inner wall on box right side. The utility model discloses when the toy car is started to walk, can accelerate the starting of toy car.