护心草，中药名。为莎草科莎草属植物旋鳞莎草Cyperus michelianus L.）Link[Scirpus michelianus L.]的全草。具有行气活血，调经的功效。主治月经不调，痛经。
Hu-xin-cao, name of Chinese Medicinal Material. Cyperus michelianus L. Link [Scirpus michelianus L.]), also known as Chinese flatsedge, is the whole plant of Cyperus michelianus L. It is a member of the sedge family. It is believed to have the effects of promoting blood circulation, regulating menstruation, and relieving menstrual pain. It is commonly used to treat irregular menstruation and dysmenorrhea.

功效作用 功能
Efficacy, function.

行气活血，调经。主治
Promoting qi circulation and blood circulation, regulating menstruation. Used to treat...

月经不调，痛经。用法用量
Irregular menstruation and dysmenorrhea. Dosage and usage.

内服：煎汤，9-15g；或研末。相关论述
Internal administration: Decoction, 9-15g; or powdered. Relevant discussion.

1、《分类草药性》：养血调经。2、《四川中药志》：行气调经。治妇女月经痛及经行愆期，或一月二至三次者。临床应用 相关配伍

1. "Categorization of Herbal Properties": Nourishing blood and regulating menstruation.2. "Compendium of Sichuan Traditional Chinese Medicine": Promoting Qi circulation and regulating menstruation. Used to treat women with menstrual pain, irregular menstruation, or those who have periods two to three times a month. Relevant herbal combinations are applied in clinical practice.

治经痛、经期提前：护心草、水案板等分，炕干研粉。每次四钱，煮捞糟服。（《重庆草药》）加工炮制 采收加工
Treatment for dysmenorrhea and early menstruation: Divide equal parts of Polygonum aviculare and Equisetum debile, dry and grind into powder. Take four qian (about 12 grams) each time, boil and drink the residue. (From "Chongqing Herbal Medicine") Processing method: Harvest and process.

7-9月结果时采收，晒干。植物学信息 植物种属
Harvest and dry the plants from July to September. Botanical information about the plant species.

莎草科莎草属植物旋鳞莎草。形态特征
The plant belongs to the Cyperaceae family and the Carex genus, known as Carex spiralis. It has the following morphological characteristics:

一年生草本，高2-25cm。秆丛生，扁三棱形。叶线形，宽1-2.5mm，基部叶鞘紫红色。苞片3-6，叶状，较花序长很多；长侧枝聚拿花序呈头状或卵形，直径5-15mm；小穗密集，卵形或披针形，长3-4mm，具花10-20余朵；鳞片螺旋状排列，膜质，长圆状披针形，长约2mm，淡黄白色，具脉3-5条，中脉延伸出顶端呈一短尖：雄蕊2，少1，花药长圆形；花柱长，柱头2，少3，通常具黄色乳头状突起。小坚果狭长圆形，三棱形。花果期6-9月。分布区域
A one-year herbaceous plant, 2-25cm tall. The stems grow in tufts and are flattened and triangular. The leaves are linear, 1-2.5mm wide, with purple-red leaf sheaths at the base. There are 3-6 bracts, leaf-like, much longer than the inflorescence; the long lateral branches form head-shaped or oval inflorescences, 5-15mm in diameter; the spikelets are dense, oval or lanceolate, 3-4mm long, with 10-20 flowers; the scales are arranged spirally, membranous, oblong-lanceolate, about 2mm long, pale yellow-white, with 3-5 veins, and the midvein extends into a short point at the tip; there are 2 stamens, sometimes 1, with elongated oval anthers; the styles are long, with 2, sometimes 3, stigma lobes, usually with yellow nipple-like protrusions. The small nutlets are narrowly oblong and triangular. The flowering and fruiting period is from June to September. Distribution area.

分布黑龙江、河北、河南、江苏、浙江、安徽、广东、四川等地。生长环境
Distributed in Heilongjiang, Hebei, Henan, Jiangsu, Zhejiang, Anhui, Guangdong, Sichuan and other regions. Growing environment.

多生于水边潮湿地或路边。
Often found in damp areas near water or roadsides.