Eating coriander and beating eggs on Dragon Boat Festival is a custom in eastern Henan. Before and after the Dragon Boat Festival, the market will always be filled with fragrant medicinal materials, and every household will buy one as a holiday gift. The injured grass is also called Li Shangcao, Li Shangcao, Li Shengcao, Xianglincao and Xianglincao. Most of them are perennial herbs in eastern Henan, with roots, smooth stems, peach leaves and hairless leaves. Opposite, petiole 4-7 cm long, leaf blade elliptic-lanceolate to obovate-lanceolate, margin serrated, both sides glabrous. Flowers are usually clustered. In fact, in eastern Henan, the Dragon Boat Festival is also a busy farming season. In the past, the degree of agricultural mechanization was not high, and it was normal to harvest wheat artificially. Before the sun comes out, people will pinch the seven tender tips of this grass, wash them, put them in a pot, pour in a proper amount of water, cook them for more than ten minutes, and lay down some poached eggs for people who want to go to work. After eating grass, people will feel particularly energetic at work.