According to the Appraisal Standard of Disability Degree of Industrial Injury and Occupational Disease, the skin graft area of the back of the hand is 50 square centimeters, with obvious scars, which is a grade 10 industrial injury.
In the tenth grade disability, the second facial scar, skin graft, pigmentation or foreign body loss is more than 2 square centimeters, and the seventh fingertip 1 square centimeter is hypertrophic scar after skin graft.