Guangchao Zhang MD, Associate Director of the Pediatric Oncology Committee in Chinese Anticancer Association, Editor of Journal of Pediatric Oncology and Editor of Journal of Chinese Modern Pediatrics. Prof. Zhang is an expert in surgery for benign and malignant disorders of children, comprehensive treatment of children, and surgery for tethered spinal cord syndrome. He won The Diagnosis and Treatment of The Tethered Spinal Cord Syndrome in Children had achieved the Third-class award of technological progress of Tianjin Board of Health in 1996, The Significance of the Express of P16-Cyclin D1-prb Protein in Neuroblastomas had achieved the Second-class award of scientific research productions of Tianjin Medical University and 2002, and The Establishment and Use for Evaluation of Children Cancer Pain has supplied a technological gap of Tianjin Board of Health in 2002.