Sanya Binglang River Tourist Area is located one kilometer north of Fenghuang Road in Sanya City, reaching the west railway in the south and Shuiyuanchi Reservoir in the north. There are 15 natural settlements of pure Li nationality distributed in this area, with a population of about 5,000 people, belonging to the Kazakh dialect of the five dialects of the Li nationality in Hainan. The betel nut is the main symbol of the area and an important source of income.