Bean jelly is one of the special snacks in northern Shaanxi. Bean jelly made of mung bean powder, lentil bean jelly made of lentil powder, potato bean jelly made of potato starch and buckwheat bean jelly made of buckwheat powder are all called bean jelly. Among them, the mung bean jelly in Zichang county is the best, with green color, which has the effects of clearing away heat and toxic materials, relieving summer heat and quenching thirst. There are two ways to eat bean jelly: hot food and cold food, and it is best to eat cold food in midsummer. It is refreshing and delicious after being prepared with a variety of seasonings, and it is full of hot and sour flavor.