One of the focuses of Taiwan’s “Doubling Tourist Arrivals Plan” is to evaluatehow many tourists are attracted to Taiwan based on current tourism policies.This study evaluates recenttourism policies in Taiwan by using the difference-in-differences modeltoconduct an in-depthpolicy analysis of the tourism marketing strategies fromboth macro and micro perspectives.The result ofthis study indicates:current policy has a limitingeffecton the number of tourists visitingTaiwan;pricing strategies on public transportation systemcorrelates with the number of tourists;and tourismmarketing strategy policycorrelates closely withthe number of tourists visiting the greater Sun Moon Lake areafor seasonal events.Lastly, the results of this study raises management implications and suggestions for further studies thatserveswell as a reference for future tourism policies.