Based on the World Travel & Tourism Council Data Base,which provided eight main indexes of tourism competitiveness including Price Competitiveness,Openness,Technology,Infrastructure,Human Tourism,Social development,Environment and Human Resource of 207 countries,the paper undertook the research on the tourism competitiveness quantitatively using Principal Components Analysis,Hierarchical Cluster Analysis and Discriminant Analysis with SPSS software.The results suggested that Social Development,Human Resources and Technology had higher contributions while Infrastructure and Environment had fewer contributions to the tourism competitiveness.Integrative tourism competitiveness of all the countries had also been reckoned.Cluster Analysis had divided all the countries into four groups.Those in group one and two were all underdeveloped countries while all the developed countries were included in group three and four.Discriminant Analysis had correctly classified 98.1% of original grouped countries.The tourism competitiveness of China were also discussed and found that Price Competitiveness was the main strength while Human tourism and Infrastructure were the key weaknesses.Finally the problems needed to further study were put forward.