The utility model discloses a sealed oil cylinder component of level of hydraulic press reaches the hydraulic press. The sealed oil cylinder component of level includes horizontal cylinder body, uide bushing, cooperates the horizontal jar piston rod that uses with horizontal cylinder body. Uide bushing one end laminating fastening is on the inner wall of horizontal cylinder body, and the other end extends horizontal cylinder body. Horizontal jar piston rod one end is passed the uide bushing and is acceptd in horizontal cylinder body, and the other end wears to extend the uide bushing and the tip undercuts the body as sealing cylinder. The internal sealing cylinder piston that is provided with of sealing cylinder. The utility model discloses can simplify the hydro -cylinder structure under the unchangeable condition of appearance, reduce manufacturing cost, also make the control of hydro -cylinder simple. The utility model discloses it has still to disclose one kind the sealed oil cylinder component's of level hydraulic press.