The utility model discloses a lawn planting scarifier. The lawn planting scarifier comprises a crawler, a solar panel, double-row scarifying rolling wheels, a lifting arm and a connecting shaft, wherein the lifting arm is arranged at the back end of the crawler; the lifting arm is connected with the connecting shaft; a transverse bearing is arranged at the other end of the connecting shaft; the double-row scarifying rolling wheels are arranged at the two ends of the transverse bearing respectively, and provided with branch line crossing tooth ripples; a motor is arranged in the crawler; electric wires of the electromotor are buried in the connecting shaft and connected to the transverse bearing; a baffle is also arranged on the connecting shaft, and fixed on the connecting shaft through a slip sheet; a solar panel support is also arranged at the upper part of the crawler; the solar panel is arranged on the solar panel support; a signal antenna is also arranged at the top of the crawler. The lawn planting scarifier is simple in structure and convenient to operate; renewable solar energy is used as a power source, so that the lawn planting scarifier is energy-saving and environment-friendly; the lawn planting scarifier runs automatically according to a preset route, so that manual operation is completely replaced.