泽芹，中药名。为伞形科泽芹属植物泽芹SiumsuaveWalt.的全草。分布于东北、华北及华东各地。具有散风寒，止头痛，降血压之功效。用于感冒头痛，头晕，高血压。
Ze-qin, name of Chinese Medicinal Material. It is the whole herb of Sium suave Walt., a plant of the Umbelliferae family. It is distributed in the Northeast, North China, and East China. It has the functions of dispersing wind-cold, relieving headache, and lowering blood pressure. It is used for the treatment of colds, headaches, dizziness, and hypertension.

功效作用 功能
The efficacy and functions.

散风寒，止头痛，降血压。主治
Disperses wind-cold, alleviates headache, and lowers blood pressure. Mainly used for治疗.

用于感冒头痛，头晕，高血压。用法用量
Used for common cold, headache, dizziness, and hypertension. Dosage and administration.

12-15g。药理作用
12-15g. Pharmacological effects

对多种常见致病性皮肤真菌有抑制作用。临床应用 相关配伍
It has inhibitory effects on various common pathogenic skin fungi. Clinically applicable with relevant compatibility.

治高血压：泽芹15g，水煎服，每日1剂，连服2-3周。（《河北中草药》）加工炮制 采收加工
Treatment for hypertension: Take 15g of Zeqin, decoct in water, and take one dose daily for 2-3 weeks. (From "Hebei Chinese Herbal Medicine") Processing and preparation: Harvest and process.

夏季采收，鲜用或晒干。药材鉴别 药材性状
Summer harvest, used fresh or dried in the shade. Identification of medicinal materials and their properties.

茎呈圆柱形，长60-100cm，直径0.3-1.5cm，节明显。表面绿色或棕绿色，有多数纵直纹理及纵脊；质脆，易折断，断面较平坦，白色或黄白色；上部茎中间为大型空洞。叶大多脱落，残留的小叶片呈披针形，叶缘有锯齿；叶柄呈管状，基部呈鞘状包茎。复伞形花序，花白色。双悬果卵形，气清香，气味淡。以茎粗，色绿，香气浓者为佳。植物学信息 植物种属
The stem is cylindrical, 60-100cm long, with a diameter of 0.3-1.5cm, and obvious nodes. The surface is green or brownish-green, with numerous longitudinal veins and ridges; it is brittle and easily breaks, with a relatively flat white or yellowish-white cross-section; the upper part of the stem has a large hollow space. Most of the leaves have fallen off, and the remaining leaflets are lanceolate with serrated edges; the petiole is tubular, and the base is sheath-like. The inflorescence is umbellate, with white flowers. The paired fruits are ovoid, with a clear and fragrant aroma. Plants with thick stems, green color, and strong fragrance are considered superior. Botanical information: Plant species.

伞形科泽芹属泽芹.形态特征
The umbrella-shaped family of Zexin belongs to the Zexin. Morphological characteristics

光滑，多年生草本，高60-120厘米。有成束的纺锤状根和须根。茎直立，粗大，有条纹，有少数分枝，通常在近基部的节上生根。叶片轮廓呈长圆形至卵形，长6-25厘米，宽7-10厘米，1回羽状分裂，有羽片3-9对，羽片无柄，疏离，披针形至线形，长1-4厘米，宽3-15毫米，基部圆楔形，先端尖，边缘有细锯齿或粗锯齿；上部的茎生叶较小，有3-5对羽片，形状与基部叶相似。复伞形花序顶生和侧生，花序梗粗状，长3-10厘米，总苞片6-10，披针形或线形，长3-15毫米，尖锐，全缘或有锯齿，反折；小总苞片线状披针形，长1-3毫米，尖锐，全缘；伞辐10-20，细长，长1.5-3厘米；花白色，花柄长3-5毫米；萼齿细小；花柱基短圆锥形。果实卵形，长2-3毫米，分生果的果棱肥厚，近翅状；每棱槽内油管1-3，合生面油管2-6；心皮柄的分枝贴近合生面。花期8-9月，果期9-10月。分布区域
Smooth, perennial herb, 60-120 cm tall. It has clustered spindle-shaped roots and adventitious roots. The stem is erect, stout, striped, with a few branches, and usually roots at the nodes near the base. The leaf blade is oblong to ovate, 6-25 cm long, 7-10 cm wide, pinnately divided, with 3-9 pairs of leaflets, which are sessile, sparse, lanceolate to linear, 1-4 cm long, 3-15 mm wide, with a rounded wedge-shaped base, a pointed tip, and fine or coarse serrations on the margin. The upper stem leaves are smaller, with 3-5 pairs of leaflets, similar in shape to the basal leaves. The compound umbel inflorescence is terminal and lateral, with a thick peduncle, 3-10 cm long, 6-10 bracts, lanceolate or linear, 3-15 mm long, sharp, entire or serrated, reflexed; the small bracts are linear-lanceolate, 1-3 mm long, sharp, and entire; there are 10-20 slender, 1.5-3 cm long rays; the flowers are white, with 3-5 mm long pedicels; the calyx teeth are small; the base of the style is short and conical. The fruit is ovoid, 2-3 mm long, with thickened ridges in the mericarp, nearly winged; 1-3 oil tubes in each furrow, 2-6 oil tubes on the commissural surface; the branches of the carpophore are close to the commissural surface. Flowering period is from August to September, and fruiting period is from September to October. Distributed in [specific region].

东北、华北及华东各地。生长环境
Northeast, North China, and East China. Growing environment.

生于沼泽、湿草甸子、溪边、水边较潮湿处。
Born in marshes, wet meadows, by streams, and in damp areas near water.