In terms of scientific research, the main directions are sheet metal parts digital manufacturing technology, design and manufacturing integration technology, and intelligent manufacturing technology. The theory and technology of digital definition of sheet metal parts manufacturing models have been developed, and the sheet metal process has been constructed. Knowledge modeling and reuse method system, proposed sheet metal parts digital manufacturing system patterns and models, established a multi-factory collaborative design and manufacturing system analysis and modeling method, the research results have been applied in multiple aircraft manufacturing companies; as a technology The person in charge has participated in more than 10 national 863/CIMS, national defense basic scientific research projects, etc., published more than 20 academic papers, 9 EI/ISTP included, has obtained 9 software copyright registrations, applied for 1 invention patent, and obtained 1 provincial and ministerial level science and technology award.