Cut off a little dermal tissue in the inconspicuous part of the body surface, make a small incision of about 2-3mm in the fundus, and transplant the autologous dermis to the silkworm position. The recovery period of the operation is short, the stitches can be removed in 3 days, the swelling disappears quickly, and the traces of the operation can hardly be seen when wearing glasses, which has little influence on daily life.