Chief Physician, Associate Professor, Doctoral Supervisor, and Director of the Department of Nutrition, Department of Gastrointestinal Oncology, Peking University Cancer Hospital. Principal Investigator (PI) of the National Key Laboratory for Integrated Prevention and Treatment of Digestive System Tumors, recipient of the National High-Level Talent Program, and Boya Young Scholar of Peking University. Dedicated to the clinical diagnosis and treatment of comprehensive management of digestive tumors, with a particular focus on the molecular classification and precision therapy of gastric cancer. Has initiated multiple prospective clinical studies that have changed clinical practice in gastric cancer. Published as first or corresponding author in journals such as *The Lancet* and *JAMA Oncology*. Led and participated in research projects including key projects of the National Key Research and Development Program, the National Natural Science Foundation of China, the China Postdoctoral Science Foundation, and key projects of the Beijing Natural Science Foundation. Selected for the Beijing "High-Level Innovation Program·Summit" Talent Project and the Beijing Hospital Authority "Young Seedling" Talent Program. Received the First Prize of the Chinese Medical Association, the First Prize of the Science and Technology Award of the Chinese Anti-Cancer Association, the First Prize of the Huaxia Medical Science and Technology Award, and the Young Scientist Award of the Chinese Anti-Cancer Association. Member of the Committee on Precision Therapy of the Chinese Anti-Cancer Association, Member of the Gastric Cancer Committee of the Chinese Anti-Cancer Association, Secretary of the Gastric Cancer Committee of the Chinese Society of Clinical Oncology, Member of the Committee on Tumor Nutrition of the Chinese Society of Clinical Oncology, Chair of the Gastric Cancer Prevention and Treatment Committee of the Beijing Cancer Prevention and Treatment Society, Corresponding Editor of the *Chinese Medical Journal*, and Editorial Board Member of the *Electronic Journal of Comprehensive Cancer Therapy*. Published over 30 papers as first or corresponding author. Holds 2 national invention patents and has translated one medical monograph as the lead translator.