Xing 'an is Manchu, which means "hill" in Chinese. Hinggan League is an old revolutionary base area and the earliest place where the Party's policy of regional ethnic autonomy was put into practice. In the thirty-sixth year of the Republic of China (1947), on May 1, the first ethnic minority autonomous regime of New China - the Inner Mongolia Autonomous Government was born here, is the Party's policy of regional ethnic autonomy in the earliest practice. Has "May Day meeting site", "Ulanfu office site", "National Liberation Memorial Hall" and a number of old revolutionary sites. There are 10 nature reserves at all levels and of various types within the territory, with a total area of more than 10 million mu. In particular, Arshan area is a national geopark and a national forest park, with natural landscapes such as hot springs, wetlands, volcanoes, snow and ice, forests and grasslands. It is a typical ecological civilization experience area

By the end of 2021, Hinggan League had a permanent population of 1.4054 million. In 2021, the GDP of Hinggan League reached 60.179 billion yuan, of which the added value of the primary industry was 20.933 billion yuan, that of the secondary industry was 15.762 billion yuan, that of the tertiary industry was 23.485 billion yuan, and the ratio of the tertiary industry was 34.8:26.2:39.0. The per capita GDP reached 42,702 yuan.