The exhibition industry as a bright prospect of sunrise industry has brought about tremendous economic benefits to other relevant industries and trades.This paper takes the Shanghai New International Expo Center as a case of economic impact of exhibition industry and draws some conclusions based on a positive research of survey data.First, the boosting effect of Shanghai's exhibition industry is 1∶8.4, which is close to the level of developed countries.Second, different exhibitions play different roles in promoting economy.The more visitors a brand exhibition attracts, the greater role it plays in economic growth.Third, the exhibition on display erects a tremendous impact on many companies and local catering accommodations.