Provided are a cleaning robot and a control method thereof. A control method of a cleaning robot using a rotational force of a plurality of rotation members as a motive power source for its driving, includes: driving the cleaning robot by rotating at least one of a first rotation member performing a rotational motion around a first rotation axis and a second rotation member performing a rotational motion around a second rotation axis; determining whether the cleaning robot reaches a wall surface during its driving; and driving the cleaning robot along the wall surface by rotating at least one of the first and second rotation members while maintaining one side surface of the cleaning robot to be in close contact with the wall surface when it is determined that the cleaning robot reaches the wall surface.