The utility model discloses a formula deep water controllable over -and -under type ocean cage -culture device entirely dives, including the flotation pontoon, the flotation pontoon includes the cabin body and the lower cabin body, at the internal hydraulic drive system that sets up in last cabin, the cabin body is the buoyancy adjustment cabin down, a body is established to the lower part outside movable sleeve of the cabin body under, the cabin body and body all link to each other with the water pipe down, be equipped with a motor respectively in the last cabin body two outsides on the upper portion, two motors are located one respectively and are sealed in the storehouse, be equipped with a gear on the main shaft of two motors respectively, closed storehouse is worn out to some of gear, every gear one side be equipped with respectively one with gear engaged with rack, the sleeve that the upper portion of two racks was located on the flotation pontoon through a connecting rod and a movable sleeve links to each other. The above technical scheme is adopted in the utility model, can realize in time breaking away from of box with a net when severe sea condition arrives, have the function of liftable regulation, horizontal rotation and transfer rapidly, elevating movement when can realize many box with a netes can not only improve the utilization ratio of breeding the sea area, has improved the ability of hiding severe sea condition in addition.