2. In Gansu dialect, there are many additional forms with special suffixes.
3. The scope of overlapping compound words is wider than that of Mandarin.
4. On the whole, the structure of compound words is much worse than that of Mandarin, but there are differences in the composition of specific words.
Gansu dialect is a very general concept. Because of its vast territory and long longitude span, many dialects have formed. Gansu dialects are divided into Lanyin Mandarin and Zhongyuan Mandarin. (Among them, it should be emphasized here. According to historical records, the Yellow Emperor was later enfeoffed in Hebei (now Guang 'anmen, Xuanwu District, Beijing), and Beijing began to speak the Longzhong dialect of Tianshui (Huangdi dialect), which shows that Tianshui is the source of the ancient Huangdi tribal language.