Dixingxiu, also known as Polygonum cuspidatum, is a plant of Polygonum cuspidatum in Umbelliferae, which grows in fields, ditches, forests and wet grasslands. Puccinellia tenuiflora and Euphorbia fischeriana are the same Chinese herbal medicine, which is the alias of the latter, that is, the name of a certain area. Xingzhancao has been recorded in Materia Medica, and the whole grass of Rhus verniciflua is the whole grass of Rhus verniciflua of Dianthus. In traditional Chinese medicine, it is considered to have the effects of cooling blood, detoxifying, killing insects and relieving itching. A cursive script once or twice a year. Stems clustered, 2.6- 15 cm high. The leaves are opposite, linear, 0.5-0.9 cm long, and the base is connected by a film into a short sheath. Flowers terminal and axillary, white and small, about 2 mm in diameter; Calyx 5, ovoid, 2-3 mm long, 65438 0 mm wide, green, membranous, hairless, with separate bases; Petals and sepals are the same in number, alternate, ovoid, about 2.5 mm long and 65438 0 mm wide; Stamens 5; The ovary is superior, ovoid, with five styles, spreading into a star shape, and hairy protrusions on the stigma. Capsule ovoid, about 3 mm long, 5-lobed at maturity. The seeds are small and numerous, with brown seed coat and protrusions on it. Between flowering, spring and summer.