Firstly, the paper introduces some researches on the development of tourism in Sichuan by researchers at home from a perspective of policies, pointing out that in these researches on tourism development in Sichuan, innovative breakthroughs are lacking. Secondly, by studying on total retail sales of social consumer goods of Sichuan and Hangzhou these 2 places, tourism incomes and the number of tourists at home, selecting the degree of tourism dependence, the contribution rate of tourism to economy and the growth rate of economy which tourism brought these 3 standards, and according to some related statistics of Sichuan from 2002 to 2009, the paper makes a detailed study on influences of tourism on economy by means of Grey Relational analysis in terms of small samples and inadequate information. And analyzing the rates of dependence, contribution and pull coefficient of tourism on economy by comparing Sichuan with Hangzhou these 2 places. The results show that influence of tourism on goods consumption of Hangzhou is much bigger than that of Sichuan. The degree of dependence of GDP in Hangzhou is bigger than that in Sichuan. Except in 2006 and 2007, the contribution rate of tourism on economy and the power of accelerating of tourism of Hangzhou is bigger than that of Sichuan. And finally, this paper proposes that the government should increase the investment in places of scenic beauty and improve the management of the scenery to accelerate the development of tourism of Sichuan.