Dali is located between 99 58' - 100 27' east longitude and 25 25' - 25 58' north latitude, and in the northwest of Yunnan province. Its neighboring areas are Sichuan province and Guizhou Province; Tibet Autonomous Region and Guangxi Zhuang Autonomous Region.The nationalities in there are Han, Hui, Bai, Yi and Tibetan.There are totally 3.19 million populations and including 486,800 urban populations. The size of the area is 28,536 sq km. This area is the capital of Nanzhao State; the political, cultural and economic center of Yunnan in the ancient history. The climatic features there is sub-tropical monsoon climate with annual frost-free of 230 days, and sunlight of 2276.6 hours, not much difference between 4 reasons.