Sun Hailong, a senior engineer in the training department of China People's Liberation Army Institute of International Relations, is a member of the academic committee of the institute. He loved science since childhood and devoted himself to learning scientific knowledge during the ten-year catastrophe. 1972 has been in the army for 28 years, and has overcome difficulties and completed more than 30 scientific research projects in ordinary posts, of which 10 is at the advanced level at home and in the military, which has created remarkable military and economic benefits and made outstanding contributions to the military and society. He is a well-known inventor inside and outside the military. 1972- 1975, successfully developed target finder, miniature mine detector and other equipment, and distributed them to relevant units of the whole army, which played a good role in promoting the war preparation work. By 1978 National Science Congress, he was awarded the "Science and Technology Achievement Award" for "those who have made great contributions to China's science and technology work" and was awarded the advanced science and technology workers in the military region. Since 1980, eight sets of advanced teaching systems have been designed for military, economic and political majors in colleges and brother colleges, which have improved the teaching efficiency. 1993 successfully developed EM3B audio-visual standard platform, and took the lead in applying multimedia and infrared screen technology. It was rated as "at the domestic advanced level" by the Military Training Department of the General Staff, and won the gold medal for scientific and technological achievements in all military academies. 1993, completed the TV broadcasting system, and won the silver award for scientific and technological achievements in military academies. In addition, five sets of office automation control systems have been developed for the General Staff Department and brother units, which are advanced in the military and provide advanced office conditions for headquarters organs and heads; 65438-0993, as the main contributor, the construction of a new discipline of military diplomacy won the second prize of national teaching achievement and the first prize of teaching achievement of the whole army; Published dozens of academic papers.