淫羊藿根，中药名。为小檗科植物淫羊藿EpimediumbrevicornuMaxim.、箭叶叶淫羊藿Epimediumsagittatum（Sieb.etZucc.）Maxim.等的根及根茎。淫羊藿分布于内蒙古、北京、河北、山西、陕西、宁夏、甘肃、青海、新疆、安徽、河南、湖北、湖南、广西、四川等地。箭叶淫羊藿分布于陕西、甘肃、江苏、安徽、浙江、江西、福建、台湾、湖北、湖南、广东、广西、四川、贵州等地。具有补肾助阳，祛风除湿之功效。常用于肾虚阳痿，小便淋沥，喘咳，风湿痹痛。
Yin-yang-huo-gen, name of Chinese Medicinal Material. the root of Epimedium brevicornu Maxim. and Epimedium sagittatum (Sieb. et Zucc.) Maxim., plants of the Berberidaceae family. Yin-yang-huo is distributed in Inner Mongolia, Beijing, Hebei, Shanxi, Shaanxi, Ningxia, Gansu, Qinghai, Xinjiang, Anhui, Henan, Hubei, Hunan, Guangxi, Sichuan, and other regions. Arrowleaf yin-yang-huo is distributed in Shaanxi, Gansu, Jiangsu, Anhui, Zhejiang, Jiangxi, Fujian, Taiwan, Hubei, Hunan, Guangdong, Guangxi, Sichuan, Guizhou, and other regions. It has the functions of tonifying the kidney and assisting yang, dispelling wind, and eliminating dampness. It is commonly used for kidney deficiency impotence, frequent urination, asthma, cough, and rheumatic pain.

功效作用 功能
Efficacy and Functions

补肾助阳，祛风除湿。主治
Tonify the kidney and reinforce yang, dispel wind and eliminate dampness. Used to treat...

肾虚阳痿，小便淋沥，喘咳，风湿痹痛。用法用量
Kidney deficiency leading to impotence, frequent and dripping urination, wheezing, coughing, and rheumatic pain. Dosage and administration.

内服：煎汤，9-15g；或浸酒；或研末为散。注意事项
Internal administration: decoction, 9-15g; or soak in alcohol; or grind into powder for oral intake. Precautions.

阴虚而相火易动者禁服。药理作用
Those with Yin deficiency and prone to internal heat should avoid taking this medication. Pharmacological effects.

1、对心血管系统的作用：增加冠脉流量、减慢心率和提高心肌的耐缺氧能力，并且有一定的中枢抑制和较弱的抗心律失常作用。2、对骨代谢的影响：抑制破骨细胞活性，同时促进骨细胞的功能。相关论述

1. Effects on the cardiovascular system: It increases coronary blood flow, slows heart rate, enhances myocardial tolerance to hypoxia, and has certain central inhibitory and weak anti-arrhythmic effects.2. Effects on bone metabolism: It inhibits osteoclast activity while promoting osteoblast function. Related discussions.

1、《本草害利》：“补大肠、三焦，强筋骨，起阳事衰，利小便，除茎中痛。”2、《分类草药性》：“治男子虚淋，白浊，头眩；妇人白带，经水不调。并治吼喘。”临床应用 相关配伍

1. "Ben Cao Hai Li": "Tonify the large intestine and San Jiao, strengthen tendons and bones, invigorate the declining Yang, promote urination, and alleviate pain in the genitals."2. "Classification of Medicinal Properties of Herbs": "Used to treat male urinary frequency with clear discharge, dizziness; female abnormal vaginal discharge, irregular menstruation. Also effective for treating asthma." Clinical applications and relevant herb combinations.

治小儿雀目，至暮无所见：仙灵脾根半两，晚蚕蛾（微炒）半两，射干一分，甘草（炙微赤，锉）一分。捣细罗为散。用羊子肝一枚，切开，掺药二钱在内，以线系定，用黑豉一合，米泔一大盏，煮熟取出，分为二服，以汁下之。（《圣惠方》仙灵脾散）加工炮制 采收加工
To treat infantile nystagmus where the eyes cannot be seen clearly until dusk: take half a liang of Xianling spleen root, half a liang of evening silkworm moth (lightly fried), one fen of shagan, and one fen of licorice root (lightly toasted and sliced). Grind them into a fine powder. Take one piece of lamb liver, cut it open, mix two qian of the powder inside, tie it with a thread, then cook it with one he of black soybeans and one large bowl of rice gruel. Cook until done, divide into two doses, and administer by ingestion. (From "Sheng Hui Fang" - Xianling spleen powder) Processing and preparation: Harvest and process.

夏秋采挖，洗净晒干。炮制方法
Harvest in summer and autumn, wash, clean, and sun-dry. Processing method.

取原药材，除去须根、杂质，洗净，润软，切薄片，干燥，筛去碎屑。药材鉴别 药材性状
Prepare the original medicinal herbs by removing the roots, impurities, washing, softening, slicing thinly, drying, and sieving out any debris. Identify the medicinal herbs and describe their characteristics.

切面类白色或浅棕色，皮部与木部不易分离；周边深棕色至棕褐色，凹凸不平或呈结节状，有须根或须根痕。质坚硬。气微，味苦。植物学信息 植物种属
The cross-section is white or light brown, with the bark and wood not easily separable; the periphery is dark brown to brownish, uneven or nodular, with root hairs or root hair marks. The texture is hard. Slightly fragrant, bitter taste. Botanical information about the plant species.

小檗科淫羊藿属淫羊藿、尖叶淫羊藿。形态特征
The genus Epimedium in the Berberidaceae family includes Epimedium grandiflorum and Epimedium sagittatum. Here are their morphological characteristics.

1、淫羊藿：又名小叶淫羊藿、短角淫羊藿、心叶淫羊藿。多年生草本，植株高20-60厘米。根状茎粗短，木质化，暗棕褐色。二回三出复叶基生和茎生，具9枚小叶；基生叶1-3枚丛生，具长柄，茎生叶2枚，对生；小叶纸质或厚纸质，卵形或阔卵形，长3-7厘米，宽2.5-6厘米，先端急尖或短渐尖，基部深心形，顶生小叶基部裂片圆形，近等大，侧生小叶基部裂片稍偏斜，急尖或圆形，上面常有光泽，网脉显著，背面苍白色，光滑或疏生少数柔毛，基出7脉，叶缘具刺齿；花茎具2枚对生叶，圆锥花序长10-35厘米，具20-50朵花，序轴及花梗被腺毛；花梗长5-20毫米；花白色或淡黄色；萼片2轮，外萼片卵状三角形，暗绿色，长1-3毫米，内萼片披针形，白色或淡黄色，长约10毫米，宽约4毫米；花瓣远较内萼片短，距呈圆锥状，长仅2-3毫米，瓣片很小；雄蕊长3-4毫米，伸出，花药长约2毫米，瓣裂。蒴果长约1厘米，宿存花柱喙状，长2-3毫米。花期5-6月，果期6-8月。2、箭叶淫羊藿：又名铁箭头、铁连角、鸡爪黄连、三角耙。多年生常绿草本，高25-50cm。根茎短粗，略呈结节状，坚硬，外皮褐色，断面白色。茎有条棱，无毛。基生叶1-3，一回三出复叶；叶柄细，长4-18cm；茎生叶2，常生于茎顶，与基生叶同型；小叶革质，狭卵至披针形，长15-19cm，宽3-8cm，先端急尖或渐尖，基部心形，箭簇形，两侧小叶基部呈不对称心形，浅裂，边缘生细刺毛，下面初无毛，后疏生单细胞短硬毛；顶生小叶基部裂片近圆形，均等，侧生小叶基部裂片不对称，内侧裂片较小，圆形，外侧裂片较大，三角形，急尖。圆锥花序顶生。挺直，花序轴及花梗通常无毛，有时被少数腺毛；花白色，直径约6mm，20-60朵花；花梗长约1cm；外轮萼片4，长圆状卵形，长3-4mm，宽1.5-2mm，带紫色，内轮萼片4，卵形或卵状三角形，长约4mm，宽约2mm，先端急尖，白色；花瓣与内萼片近等长，棕黄色，有短距；雄蕊4，长约5mm，花药瓣裂，长约3mm。蓇葖果长约lcm，有喙。种子肾状长圆形，长约4mm，深褐色。花期2-3月，果期5-6月。分布区域

1. Epimedium: also known as small-leaved epimedium, short-horned epimedium, and heart-leaved epimedium. It is a perennial herbaceous plant, with a plant height of 20-60 centimeters. The rhizome is thick and short, woody, and dark brown. The leaves are compound, with 9 leaflets; 1-3 basal leaves are clustered with long petioles, and 2 stem leaves are opposite; the leaflets are papery or thickly papery, ovate or broadly ovate, 3-7 centimeters long, 2.5-6 centimeters wide, acute or shortly acuminate at the apex, deeply cordate at the base, with a glossy upper surface, prominent veins, pale on the back, smooth or sparsely hairy, with 7 veins originating from the base, serrated margins; the flower stem has 2 opposite leaves, the conical inflorescence is 10-35 centimeters long, with 20-50 flowers, the axis and pedicels are glandular-hairy; the pedicels are 5-20 millimeters long; the flowers are white or pale yellow; the sepals are in 2 whorls, the outer sepals are ovate-triangular, dark green, 1-3 millimeters long, the inner sepals are lanceolate, white or pale yellow, about 10 millimeters long and 4 millimeters wide; the petals are much shorter than the inner sepals, forming a conical shape, only 2-3 millimeters long, very small; the stamens are 3-4 millimeters long, protruding, with anthers about 2 millimeters long, lobed. The capsule is about 1 centimeter long, with persistent styles resembling a beak, 2-3 millimeters long. Flowering period is from May to June, and fruiting period is from June to August.2. Epimedium sagittatum: also known as iron arrowhead, iron connecting horn, chicken claw yellow horn, triangular rake. It is a perennial evergreen herbaceous plant, 25-50 cm tall. The rhizome is short and thick, slightly nodular, hard, with a brown outer skin and a white cross-section. The stem is angular and hairless. There are 1-3 basal leaves, with compound leaves; the petiole is slender, 4-18 cm long; 2 stem leaves, usually at the top of the stem, similar to the basal leaves; the leaflets are leathery, narrowly ovate to lanceolate, 15-19 cm long, 3-8 cm wide, acute or gradually pointed at the apex, cordate at the base, arrow-shaped, with asymmetrically heart-shaped basal lobes on both sides, shallowly lobed, with fine prickles on the edges, initially hairless on the underside, later sparsely covered with single-celled short stiff hairs; the basal lobes of the terminal leaflet are nearly circular and equal, while those of the lateral leaflet are asymmetrical, with the inner lobes smaller and circular, and the outer lobes larger and triangular, acute. The conical inflorescence is erect, with the inflorescence axis and pedicels usually hairless, sometimes with a few glandular hairs; the flowers are white, about 6 mm in diameter, with 20-60 flowers; the pedicels are about 1 cm long; the outer sepals are 4, oblong-ovate, 3-4 mm long, 1.5-2 mm wide, purple, the inner sepals are 4, ovate or ovate-triangular, about 4 mm long, about 2 mm wide, acute at the apex, white; the petals are nearly equal in length to the inner sepals, brownish-yellow, with short distances; the stamens are 4, about 5 mm long, with lobed anthers about 3 mm long. The fruit is about 1 cm long, with a beak. The seeds are kidney-shaped and elongated, about 4 mm long, dark brown. The flowering period is from February to March, and the fruiting period is from May to June. Distribution area.

1、淫羊藿：分布于内蒙古、北京、河北、山西、陕西、宁夏、甘肃、青海、新疆、安徽、河南、湖北、湖南、广西、四川等地。2、箭叶淫羊藿：分布于陕西、甘肃、江苏、安徽、浙江、江西、福建、台湾、湖北、湖南、广东、广西、四川、贵州等地。生长环境

1. Epimedium: Distributed in Inner Mongolia, Beijing, Hebei, Shanxi, Shaanxi, Ningxia, Gansu, Qinghai, Xinjiang, Anhui, Henan, Hubei, Hunan, Guangxi, Sichuan, etc.2. Epimedium sagittatum: Distributed in Shaanxi, Gansu, Jiangsu, Anhui, Zhejiang, Jiangxi, Fujian, Taiwan, Hubei, Hunan, Guangdong, Guangxi, Sichuan, Guizhou, etc. Growing environment.

1、淫羊藿：生于山坡阴湿处或山谷林下。2、箭叶淫羊藿：生于山地、密林、岩石缝中、溪旁或阴处潮湿地。

1. Epimedium: Grows in shady and damp places on mountain slopes or in valleys.2. Epimedium sagittatum: Grows in mountainous areas, dense forests, rocky crevices, along streams, or in damp and shady places.