The utility model discloses a kind of plate appearance flaw visual inspection equipment, it includes: butt joint transmission plate's first transmission belt module, second transmission belt module, third transmission belt module;Back detection module is arranged between first transmission belt module and second transmission belt module and is used to detect the bottom of plate;Front detection module is arranged above second transmission belt module;Left side detection module and right side detection module are arranged between second transmission belt module and third transmission belt module and are used to detect the both sides of plate;Side push correction module is arranged above first transmission belt module and is used to correct the position of plate. Back detection module, front detection module, left side detection module and right side detection module are sequentially used to visually inspect four directions of plate, so that plate can be flaw detected after being transmitted by first transmission belt module, second transmission belt module and third transmission belt module.