Li Jintao actively participated in the strategic research and planning of the National 863 Plan and the Tenth Five-Year Plan, and successively served as the head of the overall digital technology group of the National 863 Plan, the deputy head of the overall intelligent agricultural information processing system technology group of the National 863 Plan, and the consultant of the overall technology group of the National Tenth Five-Year Plan for Science and Technology Development and the 20 15 Vision Plan. At present, he is the vice chairman of Beijing Natural Science Foundation Committee, member of National Information Technology Standardization Technical Committee, member of Virtual Reality and Visualization Technical Committee of China Computer Federation, deputy editor-in-chief of Computer Research and Development, member of Editorial Committee of Journal of Computer Aided Design and Graphics, member of Computing Academic Committee of China Academy of Sciences and member of Academic Degree Committee.