Xu Defu, professor-level senior engineer, master’s supervisor, expert of China Food and Packaging Machinery Industry Association, member of the expert review (review) group of Sichuan Province, and vice chairman of Luzhou Science and Technology Association. Won the national registered first class winemaker, national registered first class wine Taster, China liquor craft master, China Liquor country Artisan gold medal winner, Sichuan Province academic and technical leader, State Council special allowance winner and other academic and technical qualifications. Mainly engaged in liquor brewing technology and fermentation microorganism research, completed more than 40 scientific research projects, won more than 10 invention patents, created 9 major Chinese liquor industry theories, published more than 130 scientific and technological papers, compiled and published millions of words of "Liquor Technology" and other monographs.