Academician Qian Qihu focused on the overall situation of national development, not only actively practiced the dream of strengthening the military, but also made outstanding achievements in military engineering. He also dared to write the Chinese dream and played an irreplaceable role in the innovation of people's livelihood projects. He devoted a lot of efforts to the major projects related to the national economy and people's livelihood, such as the South-to-North Water Diversion Project, the West-to-East Gas Transmission Project, the Hong Kong-Zhuhai-Macao Bridge, and the planning of xiong'an new area. He wrote his papers on the land of the motherland and applied his lifelong knowledge to the great cause of socialist modernization without reservation.