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The public opinions on meteorological service benefit are analyzed with public investigation data. By means of the “will to payment” investigation method, the yearly payment and savings and the number of dials are analyzed. It is indicated that in Anhui Province, a economically underdeveloped region, the public would like to pay 1, 170 million to buy weather forecasts every year; and weather forecast service can benefit 0.51 percent of GDP for the whole province every year. Meanwhile, the distribution of the inquired public, their satisfaction and demands are analyzed. The quantitative assessment and analysis of the benefits of meteorological service are carried out.