The injury of nail bed and fingertip flap transplantation can evaluate the level of work-related injury and disability. Fingertip flap transplantation is a common repair operation method, which is used to reconstruct fingertip soft tissue defect and nail bed defect. This operation can help restore the shape and function of fingers. In the repair of fingertip soft tissue defect, free nail flap transplantation and dorsal digital flap transplantation are commonly used.