Assessment of EXPO's Impact on Regional Economy

The Expo is not only an festival about science, culture and history. but also an pivot economic event. The Expo works as a catalyst to the endemic economics perennially and profoundly as it will boost tourism, promote tertiary industry, attract investments and so on. Based on the statistical data about the beginning and mid-term, this paper use Grey Model. Entropy Method. Comprehensive quantitative analysis to simulate, predict and test the ending period data by computer softwares which make this model integrate.