Dr. Chang-Zhen Zhu , Chinese, male, born in May 1989, is a gastrointestinal surgeon. He graduated from continuous academic program that involves both postgraduate and doctoral study of Peking Union Medical College in 2018, and currently works in department of gastrointestinal surgery of Beijing Tsinghua Changgung Hospital affiliated to Tsinghua University. He has received standardized training for Chinese residents for 3 years. The main research fields are parenteral and enteral nutrition support, comprehensive treatment of gastrointestinal cancer, intestinal dysfunction diseases such as intestinal obstruction, intestinal fistula and small bowel transplantation. He can provide scientific research consultation related to general surgery. He has published SCI papers in 6, Chinese articles in 8 and participated in the compilation of monographs in 4. As the invited speaker, he has participated in international academic conferences in United States, Japan, South Korea, Europe and made oral presentation for many times, and won travel grant for 3 times.