Xu Gongtian was born in Wuxi, Jiangsu Province in February 194. University graduate, professor-level senior engineer. The first batch of outstanding experts in Shenyang. He has been engaged in the research of landscape greening and garden pest control for more than 4 years, and has presided over, undertaken or participated in more than 2 scientific research projects issued by the state, provinces and cities, won 1 national invention award, 11 ministerial (provincial) and municipal scientific and technological progress awards and 2 invention patents. He has participated in the compilation of two great books on forest protection by the Ministry of Forestry, and edited many monographs such as Atlas of Garden Plant Diseases and Pests in China. Four new biological species were discovered and named, which filled the gaps in the world and enriched the biological treasure house, and were accepted as members of the American Entomological Society. Attended two international academic conferences on insects and made academic reports at the conferences. Recently, the patented products of environmental protection and insecticide have been successfully developed and extended to nearly 2 provinces and regions in China, making new contributions to the control of pests in agriculture, forestry and gardens. In 1989, he was awarded the title of outstanding scientific and technological worker in Shenyang; in 1994, he was awarded the title of outstanding scientific and technological worker in the Seventh Five-Year Plan of Liaoning Province; and in 1996, he was named as an outstanding expert in Shenyang.