To provide a leg-wheel separate type robot capable of obtaining the high-speed traveling on an even road, and obtaining high adaptability to an uneven road.

The leg-wheel separate type robot comprises a body 2, a pair of wheels 36, 39 rotatably provided on the body 2, a pair of front legs 11, 22 which are provided on the body 2 and turnable in the horizontal direction and in the vertical direction, a pair of rear legs 34, 35 which are provided on the body 2 and turnable in the horizontal direction and in the vertical direction, actuators A13, A14 to drive wheels 36, 39, actuators A1-A6 to drive the front legs 11, 22, actuators A7-A12 to drive the rear legs 34, 35, and a controller to control the motions of the actuators A1-A14. The controller selects any one of the leg mode by the front legs 11, 22 and the rear legs 34, 35, the wheel mode by the pair of wheels 36, 39, and the leg-wheel mode by the pair of wheels 36, 39, the front legs 11, 22, and the rear legs 34, 35.