The invention discloses a vertical type one-time formed partition board running rail type moving demoulding stacking board turnover machine which comprises a running rail moving chassis, a demoulding clamping claw assembly and a stacking turnover assembly, wherein the demoulding clamping claw assembly comprises a clamping claw swing arm, a swing arm rotary mechanism and a clamping claw mechanism; the clamping claw swing arm is mounted on the swing arm rotary mechanism; the clamping claw mechanism is mounted at the end part of the clamping claw swing arm; the clamping claw mechanism comprises a clamping claw mounting rack, a first clamping claw part and a second clamping claw part; the first clamping claw part and/or the second clamping claw part are/is movably connected in a telescopic manner on the clamping claw mounting rack through a clamping claw clamping air cylinder; the stacking turnover assembly is provided with a stacking turnover rack and a turnover driving mechanism; the stacking turnover rack is provided with a [-shaped structure in the non-turnover state; a plurality of partition board clamping air cylinders are arranged at the upper part of the stacking turnover rack side by side in the width direction; and the output shaft of each of the partition board clamping air cylinders extends in the vertically downwards direction. The vertical type one-time formed partition board running rail type moving demoulding stacking board turnover machine realizes continuous, simple and reliable operation in demoulding, stacking and turning over the partition board and has the advantages of being stable, not damaging the partition board and extremely high in production efficiency.