One or more embodiments of an operation table may include a table on which a patient is to be placed； a base fixed on a floor； and a robot arm comprising joints, a first end supported by the base, and a second end supporting the table, wherein the robot arm takes a first posture in which the robot arm is stored in a storage space that is a space under the table when the table is positioned at a first position, and the robot arm moves the table to a second position which is away from the first position by taking a second posture in which at least part of the robot arm horizontally protrudes from the storage space.
