The green balls that Tomb-Sweeping Day ate were made of ryegrass or wormwood.

Qing Tuan, also known as Ai Tuan, is a kind of dough made from the juice of Qing Ai or Pulp Wheat Straw, glutinous rice flour and sticky rice flour, and stuffed with bean paste, peanut stuffing and sesame stuffing to make green dumplings the size of a child's fist. The green ball is blue, oily and green, waxy and soft, sweet and delicate, with a light but long grass aroma, a little sticky, but not sticky to teeth, with a breath of spring from color to taste. It is a traditional snack among Chinese people in the Qingming and cold food seasons.

The green ball is as green as jade, tender and tender, fragrant, fat but not smelly, and it is a natural and green healthy snack. [1] After steaming, the soft skin is green, and the bean paste stuffing is sweet but not greasy, with a light aroma of wormwood, fragrant and delicious.

Qingtuan is a special snack of the Han nationality in the south of the Yangtze River. It is blue, mixed with the juice of wheat straw or green mugwort, and then wrapped in bean paste. It is not sweet or greasy, and has a light but long grass aroma.

At present, some shops make green balls with wheat straw, some with green wormwood juice, and some with other green leafy vegetable juice and glutinous rice flour, and then they are made with bean paste. The function of the Youth League as a sacrifice is weakening day by day, and more people use it as a spring outing snack.