A self movable boom system is provided. The self movable boom system include: a boom disposed on a plane perpendicular to a building clamp structure; and a moving unit apparatus including a circumferential moving unit which is disposed between the boom and the building clamp structure to move the boom on a plane perpendicular to the building clamp structure, a lifting-up unit of which one end is disposed toward the circumferential moving unit and of which other end is disposed toward the building clamp structure to move the boom along a longitudinal direction of the building clamp structure, and a boom moving unit which moves an object along the longitudinal direction of the building clamp structure and along a longitudinal direction of the boom.