Two-stroke gasoline engine for externally starting internal combustion impact tamping pickaxe

The invention discloses a two-stroke gasoline engine for externally starting an internal combustion impact tamping pickaxe. The two-stroke gasoline engine comprises an engine body, a crankshaft connecting rod mechanism, an air filtering system, a fuel supply system, an ignition system, a shell and a cooling system; an engine connecting rod is embedded in a crank of an engine crankshaft to form a crankshaft connecting rod assembly; the small end of the engine connecting rod is connected with a piston located in a cylinder body through a piston pin to form the crankshaft connecting rod mechanism; the air filtering system and the fuel supply system are composed of an air inlet valve, a carburetor, an air filtering assembly and a fuel pipeline, wherein the air filtering assembly is installed on the carburetor and combined with a throttle valve control mechanism; and a cooling fan is installed at the right end of the engine crankshaft to form the cooling system. The two-stroke gasoline engine has the beneficial ef