Root pile

The invention relates to a root pile, belonging to the technical field of underground foundation. The invention solves the problem that the existing underground building foundation is complex in construction process, long in construction period and high in cost and the waste foundation is not easy to clear. The root pile comprises a concrete block, a galvanized steel pipe pile and a pre-embedded steel plate, wherein a reinforcing bar is arranged in the concrete block; a hole is formed in the concrete block; the galvanized steel pipe pile is inserted in the hole; the pre-embedded steel plate is arranged on the upper surface of the concrete block; a pre-embedded anchor bar is connected below the pre-embedded steel plate; and the pre-embedded anchor bar is arranged in the concrete block. The root pile is mainly used for a small bracket or shed structure.