1, Wild Oat: This plant is not only a substitute for grain, but also a green feed for cattle and horses, and a weed in the wheat field. The whole grass can be used as medicine, which is sweet and flat. It has the effects of astringing, stopping bleeding, strengthening exterior and stopping sweating. Indications: hematemesis, bloody stool, metrorrhagia, spontaneous sweating, night sweats and leucorrhea.

2. Avena fatua L. belongs to the genus Panicum. The fibrous roots are tough. The culm is erect, with a height of 65,438 0.20 cm, the leaf sheath is loose, the tongue is transparent, membranous, the leaves are flat and slightly rough, the panicle is spreading, pyramid-shaped and contains small flowers, the first lemma is hard, there are light brown or white bristles below the middle of the back of the first lemma, and the awn protrudes from the middle of the lemma.