Engineering pile machine capable of automatically walking and automatic walking method

The invention discloses an engineering pile machine capable of automatically walking and an automatic walking method, and belongs to the field of heavy engineering machine. The pile machine comprises supporting feet, a pile rod and a pile machine base, the pile machine base is integrally in a flat plate shape and is provided with at least three base layers which are sequentially the first base layer, the second base layer and the third base layer from bottom to top, and the first base layer, the second base layer and the third base layer are stacked, a transverse hydraulic oil cylinder is arranged in the first base layer, a longitudinal hydraulic oil cylinder is arranged in the second base layer, the pile rod is arranged on the third base layer, the first base layer and the second base layer are connected so that the second base layer can be driven to move when the first base layer moves, the second base layer and the third base layer are connected, the third base layer can be driven to move when the second b