Disclosed are a moving part switchable in a leg mode and a wheel mode and thus capable of moving stably over various terrains by switching to a leg mode or a wheel mode as needed; and a hybrid robot having the moving part. More particularly, the hybrid robot switchable in a leg mode and a wheel mode includes a main body; and a moving part movable in a state of being rotated in at least one direction of roll, pitch, and yaw directions by a motor mounted on the main body, wherein the moving part includes: a first link rotatably connected to the main body through a portion between one side of the first link and another side thereof; second links located below the first link and configured to rotate in an identical direction in conjunction with rotation of the first link; a joint motion means connected to one side of each of the first and second links; and a wheel motion means connected to another side of each of the first and second links, wherein the moving part operates together with the motor mounted on the main body, the moving part is operated by the joint motion means in the leg mode, and the moving part is operated by the wheel motion means in the wheel mode.