Naiman Banner is located in the southwest of Tongliao City, Inner Mongolia, on the southern edge of Horqin Sandy Land. Geomorphological features are generally summarized as "rivers in the middle of Nanshan, rivers in the north and plains with two mountains and six sands". The southern part is the northern edge of Liaoxi Mountain, which is a shallow hill with an altitude of 400-600 meters; The central part is dominated by wind erosion and sand accumulation; The north-central plain is a part of the impact plain of Xiliaohe River and Jiaolai River, with flat and open terrain. The flag is located at 1636, bordering Fuxin City and beipiao city City in Liaoning Province in the south, Hure Banner, Aohan Banner and Wengniute Banner in Chifeng City in the east, and facing Kailu County across the river in the north, belonging to northeast China. Cultural divisions are similar to those in the northeast, and customs are similar to those in the northeast. Naiman Banner is a part of the core area of Hongshan Culture; There is the first city established by nomadic people in northern China-Longhuazhou in Long Ting, ancient Qidan, and the most complete and precious tomb of Princess Chen in Liao Dynasty, with more than 3,000 national first-class cultural relics unearthed. Sixteen princes of Naiman Department of Mongols are in this county, and there is a well-preserved Mongolian palace in Qing Dynasty, where the beautiful Nongjishanya is world-famous. Naiman Banner has a vast desert, which is the closest to Beijing and the only desert in the northeast of China. The intersection of the Xilamulun River and the Laoha River, the "grandmother river" of the Chinese nation, is the starting point of the Xiliao River and has the largest desert freshwater lake in China. Daqintala Town, the administrative resident, is a desert eco-city in the northeast of China, building a new city with its unique desert landscape and desert. Naiman tamarix chinensis lour, with the same name as Populus euphratica in the west, is the origin of China Medical Stone, a sacred stone for health and longevity, printed in Horqin.