The operation of double eyelid repair should not only modify the original failure, but also readjust the radian, height, width and depth of double eyelid. The tissue should be reset and fixed as much as possible during the operation to solve the adhesion caused by unclear anatomical level. In order to remove adhesion, it is necessary to reset and fix all levels of tissues and rebuild their functions, so as to make up for various problems caused by excessive tissue resection and minimize artificial marks.