Harbin Military Industry is the first advanced national defense science and technology education university in New China, which was founded by Mao Zedong with the help of the Soviet government and experts in the early days of the founding of the People's Republic of China. Its full name is China People's Liberation Army Military Engineering College, which is located in Harbin because of its founding. It brought together the most cutting-edge scientific and technological research and education experts in China at that time, as well as patriotic scientists returning from the United States and other western countries. Harbin military industry was the most desirable university for patriotic students who were interested in the national defense construction of the motherland at that time. It is also the highest institution of learning in China, co-founded with Tsinghua and Peking University. Mao Zedong chose Chen Geng as the first dean. At the beginning of the college, the departments of naval engineering, air force engineering, artillery engineering, armored engineering, engineering and chemical defense were established. Later, the departments of missile engineering, atomic engineering and computer engineering were established one after another. At present, national defense science and technology institutions such as National University of Defense Technology, Harbin Engineering University, Nanjing University of Science and Technology, Academy of Armored Forces Engineering, Academy of Engineering, and Institute of Chemical Defense Engineering are all derived from Harbin military industry. In addition, Harbin military industry is the main lineage of Harbin Institute of Technology, Northwestern Polytechnical University, Chongqing University and other universities. China's military industry has made great contributions to the research and education of national defense cutting-edge science and technology, and trained a large number of outstanding cutting-edge scientific and technological talents, which is of great historical significance in the history of China's cutting-edge science and technology. The cutting-edge scientific and technological talents trained by Harbin military industry are still the mainstay of cutting-edge scientific research in China!