First, Jilagou is a depression, which can avoid the cold wave in winter and is warmer;

Second, compared with the surrounding area, the sandy vegetation in Jilagou is more lush, and livestock can also eat food in winter;

Thirdly, there is stable frozen soil and ground snow here in winter, and the thickness of snow can reach about 25 cm, which provides rich food for people and animals.

Nowadays, with the development of science and technology, herders no longer need the geographical environment of other ditches to graze.