'DIQUELIANG'was a kind of polyester fiber blend fabric that dominated China's clothing fabric market for 30 years from the early 1960s to the early 1990s,especially during the 1960s to the 1980s,which swept the country.The invention and commercialization process of'DIQUELIANG'was explained based on official archives,journals,newspapers and online references,and its impact on the society and economy at that time after introducing to China was analyzed.