Mianyang has a history of more than 2200 years and has always been the county seat. Later, it was named "Mianyang" because it was located in Mian Shan Zhinan. Stone tools and pottery from the Neolithic Age were unearthed at the Bianshan site 4500 years ago. This is the birthplace of poet Li Bai and Ouyang Xiu, one of the eight masters in Tang and Song Dynasties, the mother of silk of Lei Zu and Huangdi, and the birthplace of Dayu, the founder of Xia Dynasty. Known as "the land of happiness and the Silicon Valley in the west", it is the only science and technology city in China approved by the CPC Central Committee and the State Council, and an important national defense, military industry and scientific research and production base. It has 18 national scientific research institutes, such as China Academy of Engineering Physics, China Aerodynamics Research and Development Center and Sichuan Gas Turbine Research Institute of China Aviation Development Group. Enjoy the honor of being a national civilized city, a national health city, a national forest city, a national garden city, a national environmental protection model city, an excellent tourist city in China, an advanced city in scientific and technological progress, a national intellectual property demonstration city and a national entrepreneurial advanced city.
By the end of 20021,the resident population of Mianyang was 4.883 million. In 20021year, Mianyang achieved a regional GDP of 335.029 billion yuan, of which the added value of primary industry was 37.732 billion yuan, that of secondary industry was 135265 billion yuan, that of tertiary industry was 162032 billion yuan, and that of tertiary industry structure was 165438.