Will not leave a scar Jinan Han plastic surgery hospital adopts the method of combining plastic surgery and stomatology experts. The operation was carried out directly under the endoscope, using German micro-power system and professional protection device, grinding off excess bone mass, preserving periosteum, physiologically reversing the protrusion process, and physiologically pushing the maxilla and mandible back to normal with minimal trauma. The wound recovered quickly after the operation, leaving no scars.