Rotary laser marking machine means that the marking machine can be marked in a rotary way, because nowadays many round, circular, spherical and curved products need to be marked by laser. It is generally suitable for marking large workpieces or heavier workpieces. By setting the laser marking head on the rotating arm, the rotating laser marking head is used to complete the rotating laser marking process, which is easier to rotate than rotating workpieces, and the rotating laser marking head requires less energy to be consumed.