The custom of eating Qingming fruit in Jiangnan area. Qingming fruit is mashed with a wild plant called "plasma wheat straw" to squeeze out juice. Then the juice is mixed with dry glutinous rice flour and kneaded, and then made into jiaozi or triangle. Jiaozi's stuffing is exquisite sugar bean paste, and a small piece of sugar lard is added when filling. Jiaozi cooked it and steamed it in a cage. When they come out, brush the cooked vegetable oil evenly on the surface of jiaozi, and you're done. Qingming fruit is green as jade, soft and fragrant, sweet but not greasy, fat but not full. Qingming fruit is also a necessary food for people to sacrifice their ancestors in Jiangnan area. Because of this, Qingming fruit is particularly important in the folk food customs in Jiangnan area.