The invention discloses a mountain climbing machine which comprises a frame and a pedal mechanism arranged on the frame, wherein the frame comprises a base and a hollow upright rod; the pedal mechanism comprises a left foot pedal, a right foot pedal and a left handle, a right handle; the left handle and the right handle are respectively connected with an upper sliding block; the left foot pedal and the right foot pedal are respectively connected with a lower sliding block; the upper and lower ends of the vertical rod are respectively provided with a belt pulley and a first pulley, a belt is arranged on the belt pulley, two ends of the belt are respectively connected with the two upper sliding blocks, a first steel wire rope is connected with the upper sliding block from below, the other end of the first steel wire rope is connected with the lower sliding block, a second steel wire rope is connected with the lower sliding block from below, the second steel wire rope bypasses the first pulley, a fixed seat and bearing bar are arranged in the middle of the front side of the hollow upright rod, the bearing bar is arranged with a movable seat in sleeve mode, the movable seat is providedwith a locking mechanism, a chair seat is arranged on the movable seat, and a fixed handle is arranged on the back surface of the upright rod corresponding to the fixed seat. The mountain climbing machine can enrich the way in which user exercise.