To protect a pipe buried in the ground from being damaged by a blade and the like of a ground machine.

This pipe protector 1 is composed of a casted iron plate body, and positioned between the pipe and the ground surface to cover an upper part of the pipe buried in the ground. This pipe protector 1 is provided with a locking hole 121 and a locking projection 13 on its both end parts in the longitudinal direction of the pipe, to be connected to the other pipe protector 1. Steel bars 2 are joined to this pipe protector 1 at its both side edges 11a, 11b in the direction orthogonal to the longitudinal direction of a conduit tube.