First of all,external skeletal compression fixation for two ends of bone defect of tibia was made by a self-made“external fixer”secondly,closed fracture at the metaphysis was made by a self-made“needle saw”thirdly,the same“external fixer”was adopted to elongate the fractured bone.

Reducting oversize-chin by mandibular body-chin inclined ostectomy;

The investigation on the current situation or some underflow-catching engineering in Fuxin county of Laoning province,some major problems have heen summarized up.

Femoral supracondylar varus osteotomy combined with Giebel blade plate on treatment of valgus deformity of the knee;

Clinical Application of Total Lamina Osteotomy and Former Vertebral Plates Regraft in Treatment of Lumbar Disc Protrusion Accompanying Lateral Recess Stenosis;