Abstract: tourism is an important part of the tertiary industry, an important strategic, pillar, comprehensive industry in the world economy continues the high speed growth. With the continuous development of the tourism industry, competitiveness of regional tourism is growing, the paper chose Nanjing, Shanghai, Hangzhou, Wuxi, Nantong and Ningbo six city as the representative, using analytic hierarchy process, Delphi method, radar chart analysis of six city tourism competitiveness evaluation, the evaluation conclusion are: (1), Nanjing Shanghai, Hangzhou, Wuxi, Nantong and Ningbo six city tourism competitiveness score were 96.0646, 92.9326, 91.1522, 84.1584, 78.2667 and 66.8469. Shanghai, Hangzhou, Nanjing tourism competitive power is strong, the other three city tourism competitiveness is relatively low. (2) Shanghai tourism competitiveness is stronger, but in the history of civilization level competitive advantage is relatively weak; Hangzhou each index score more balanced, comprehensive tourism competitiveness ranked second, but extraversion tourism is relatively weak; Nanjing in the folk customs and culture, tourism resources and the history of civilization in the three aspects of competitive advantage is clear but the economic development level, comparative advantage is not obvious; Ningbo economic development a high level of history and civilization level the score, but in the tourism resources and tourism market scale scores relatively low; Wuxi have more competitive advantages in the aspect of factors, the level of economic development of tourism resources, and in the tourism market scale and urban landscape level low scores; Nantong tourism economic development situation and the history of civilization, the two factors have certain competitive advantages, but compared to other five city, Nantong in each index scores were lower, the comprehensive competitiveness in the end. In addition, the paper also puts forward the way to improve tourism competitiveness of the whole Yangtze River Delta: the government attaches importance to, to strengthen guidance and cooperation, promote the overall development of regional tourism; integration of tourism resources, strengthening its own positioning, prominent local features, enhance the overall regional attraction; the importance of education, pay attention to personnel training, strengthening the construction of tourism and tourism culture; improve laws and regulations, legal system construction, to standardize the tourism market, to provide a good environment for editing the answer or insert picture for the healthy development of the tourism industry, please click on the title to the details page亲给分哦!