Professor Chang-Bei Shi is an expert in the field of Nuclear Medicine who focus on the diagnosis and treatment of tumors, who published more than 80 academic papers, being the first author in more than 20 papers. Professor Shi has worked in Department of Nuclear Medicine of Shaanxi Cancer Hospital more than 25 years, and worked in Department of Nuclear Medicine of Xi'an Jiaotong University and Peking Union Medical College Hospital for a period of time. Professor Shi is the Chairman of the Nuclear Medicine Committee of Shaanxi Anti-cancer Association and Vice chairman of Nuclear Medicine Committee of Shaanxi Nuclear Medicine and Society Editorial board member of Journal of Modern Oncology Medicine and Journal of Oncology Imaging.