Microcrystalline grinding method and laser method: suitable for superficial scars and concave scars, such as scars left by acne, chickenpox, trauma, skin infection, etc., to make the skin smooth and smooth again. Continuous intradermal suture and microscopic suture are suitable for scars on conspicuous parts such as face, and the scars after cosmetic suture are shallow lines, which minimize the damage to appearance;

Z-shaped plastic surgery: it is suitable for contracture deformity to hinder the scar of functional lesions, so that the wound can be sutured without tension, the edge can be closed accurately without damage, the wound can be closed without dead space, the scar can be completely eliminated, and the original skin color can be restored. Skin flap transfer and skin transplantation are suitable for cases with large area or skin defect after scar resection, which can not be directly sutured.