The utility model relates to a hot tandem rolling finishing mill looper roller level adjustment device, including being used for accepting the backup pad of looper roller (2), backup pad (3) below beprovided with supporting seat (1), backup pad (3) and supporting seat (1) between through being located two adjusting screw (5) swing joint that backup pad (3) bottom set up along looper roller (2) length direction on the central line, adjusting screw (5) pass supporting seat (1) and adjusting screw (5) and supporting seat (1) top junction downwards and be provided with fixation nut (7). The utility model discloses it is high to adjust the horizontal precision of looper roller, helps improving whole production efficiency.