Chief physician，M.D., Postdoctoral，the head of the osteoporosis group of the orthopedic Committee of the Shangdong geriatric medical association. He is good at the ladder treatment (conservative, minimally invasive, surgery) of spinal degenerative diseases (lumbar disc herniation, cervical spondylosis, etc.), and started early the repair of lumbar annulus fibrosus under the intervertebral disc endoscope in China. Also，he carries out innovative research on upper cervical and thoracic spine surgery techniques and has the extensive operative experience and standard anti-osteoporosis treatment experience for osteoporosis-related spine diseases.