- Academician of the Chinese Academy of Sciences. 

- Honorary Dean of Tongji Medical College, Huazhong University of Science and Technology (HUST). 

- Director of the Department of Surgery, Director of the Hepatobiliary and Pancreatic Surgery Institute, and Director of the Key Laboratory of Organ Transplantation (Ministry of Education, National Health Commission, and Chinese Academy of Medical Sciences) at Tongji Hospital, HUST.

- Chairman of the Expert Committee of the China Organ Donation Administrative Center. 

Pioneered systematic innovations in hepatobiliary-pancreatic surgery: 

- Proposed a novel classification system for liver cancer and established the theory of safe resection for large hepatocellular carcinoma. 

- Developed three techniques for controlling hemorrhage during liver resection and one liver transplantation procedure. 

- Introduced the concept of limited liver resection for hilar cholangiocarcinoma, establishing non-sutured anterior biliary wall cholangiojejunostomy and insertion cholangiojejunostomy. 

- Optimized pancreaticoduodenectomy protocols and created the Chen’s Pancreaticojejunal Anastomosis Technique. 

These advancements have been widely adopted across all 31 provincial-level regions in China, achieving significant clinical outcomes.