The invention relates to the field of machinery and particularly relates to a release machine. The technical problem to be solved is how to prevent the demand of manual operation in a release operation period of to-be-released equipment in order to prevent the influences of uncontrollable factors as far as possible. For solving the technical problem, the invention provides a release system; the release system comprises a frame and a plurality of hydraulic oil cylinders, wherein the hydraulic oil cylinders are arranged in the frame; each hydraulic oil cylinder comprises a housing, a piston, a piston rod, hydraulic chambers and corresponding hydraulic openings, wherein one end of each piston rod is connected with the corresponding piston; the hydraulic chambers are correspondingly positionedat the two sides of the corresponding piston; the hydraulic oil cylinders are connected in parallel; hydraulic branches extending out of the corresponding hydraulic openings are correspondingly gathered to form two total hydraulic routes; the two total hydraulic routes are correspondingly provided with one-way valves in the same direction so that the pistons move synchronously or moves in the same direction; the total hydraulic routes each communicate with a locking release controller; and the locking release controller is used for controlling the stretch and contraction, inside a hollow partformed by the housing of the corresponding hydraulic cylinder and an inner ring of the frame, of the free end of the corresponding piston.