Quality inspection machine is suitable for trademark quality inspection of rolling materials, with rolling materials neatly, up, down easy, speed and other advantages. Testing desktop conforms to human body normal visual angle, product inspection desk, and inside the desk all have solar light, easy to distinguish color differences, clearly detect printed defects. Testing desktop conforms to human body normal visual angle, product inspection desk, and inside the desk all have solar light, easy to distinguish color differences, clearly detect printed defects. Electronic speed adjustment, can set automatic operation and foot switch control conversion. Electronic speed adjustment, can set automatic operation and foot switch control conversion. Electronic speed adjustment, can set automatic operation and foot switch control conversion. Electronic light sensitivity counter number, counter length, setting the number value automatically shutdown and other advantages.