Qing Tuan, also known as Aituan, is a green jiaozi that is the size of a child's fist by mixing the juice of Ai Qing or pulp wheat straw with glutinous rice flour and sticky rice flour, and wrapping it with fillings such as bean paste, peanut stuffing and sesame stuffing. The green ball is blue, oily and green, waxy and soft, sweet and delicate, with a faint but long scent of grass, a little sticky, but not sticky, with a breath of spring from color to taste. It is a traditional snack of China people in the Qingming and cold food seasons.

Green as jade, tender and smooth, fragrant, fat but not fat, is a natural green healthy snack. [1] After steaming, the soft skin is green, and the bean paste is sweet but not greasy, with a faint aroma of wormwood, which is fragrant and delicious.

Youth League is a special snack of Han nationality in the south of the Yangtze River. It is blue, mixed with the juice of wheat straw or green mugwort leaves into glutinous rice flour, and then wrapped with bean paste. It is not sweet or greasy, and has a faint but long grass fragrance.

Now the shop makes green meatballs, some are made of wheat straw, some are made of wormwood juice, and some are made of other green leafy vegetable juice and glutinous rice flour stuffed with bean paste. The function of Qing Tuan as a sacrifice is weakening day by day, and more people regard it as a spring outing snack.