Environmental-protection hand lawn mower

The utility model relates to an environmental-protection hand-pushing lawn mower, which belongs to the technical field of a garden machine. The utility model is composed of a rod pushing mechanism, a machine frame, a shell body, a speed increasing mechanism, a motion converting mechanism, and an actuating mechanism, wherein the speed increasing mechanism is composed of a big gear which is installed on a rear wheel shaft, and a gear shaft which is provided with a small gear, the motion converting mechanism is composed of a left end surface cam which is arranged on the gear shaft, a right end surface cam, and a left and a right shift levers which are arranged on a sliding block, and the grass mowing actuating mechanism is composed of the sliding block, a movable cutter blade which is fixed on the sliding block, a guide rail and a fixed cutter blade which is fixed on the guide rail. The utility model has the advantages of low noise, no pollution, energy saving, compact mechanical structure, small size, light weight, easy and flexible use, and good performance; furthermore, the utility model is driven by adopting manpower, is not required of a power engine, is without the influence to work and study of surrounding people, is convenient for storage, etc.