Helen Grassland in Holingol is located in Tongliao City, Inner Mongolia Autonomous Region. It is picturesque, located about 45 kilometers northwest of downtown Holingol, with a total area of about 805 square kilometers, of which the wetland area is about 60,000 mu. It is a typical wetland grassland scenery, which integrates primitive grassland, swamp wetland and rare animals and plants, forming a unique ecological environment unmatched by natural gene pool and any other single ecosystem, and is known as "paradise grassland".