A conveyance system includes storage racks that are provided near or adjacent to semiconductor manufacturing devices and store therein objects to be conveyed, a stacker crane that carries the objects into and out of the storage racks, vehicles that convey the objects, an ID tag reader that is provided to the stacker crane and reads ID tags of the objects; and a controller that is configured or programmed to, when identification information acquired by the ID tag reader R coincides with identification information contained in a conveyance command of an object, control the stacker crane to convey the object to a destination specified in the conveyance command. At least one section of each storage rack allows a gripper of each vehicle to take in and out the objects.