牛白藤根，中药名。为茜草科植物牛白藤HedyotishedyotideaDC.的根。牛白藤分布于广东、广西、云南。具有凉血解毒，祛瘀消肿之功效。常用于风湿性腰腿痛，痈疮肿毒，跌打损伤，痔疮出血。
Niu-bai-teng-gen, name of Chinese Medicinal Material. Root of Hedyotis hedotidea DC.), a traditional Chinese medicine, is the root of the plant Hedyotis hedotidea DC. of the Rubiaceae family. Niu-bai-teng is distributed in Guangdong, Guangxi, and Yunnan provinces. It is known for its functions of cooling blood, detoxification, promoting blood circulation, and reducing swelling. It is commonly used for rheumatic pain in the lower back and legs, abscesses, bruises, injuries from falls, and bleeding hemorrhoids.

功效作用 功能
Efficacy and Functions

凉血解毒，祛瘀消肿。主治
Cooling the blood and detoxifying, promoting blood circulation and reducing swelling. Used to treat...

用于风湿性腰腿痛，痈疮肿毒，跌打损伤，痔疮出血。用法用量
Indicated for rheumatic pain in the lower back and legs, abscesses, swelling and toxicity, bruises and injuries, and bleeding hemorrhoids. Dosage and administration:

内服：煎汤，15-30g。外用：适量，捣敷；或煎水洗。相关论述
Internal use: Decoction, 15-30g. External use: appropriate amount, pounded for application; or decocted for washing. Relevant discussion.

1、广州部队《常用中草药手册》：“甘、淡，凉。”2、广州部队《常用中草药手册》：“清热解毒，祛风除湿。”临床应用 相关配伍

1. "Sweet, bland, cool." - Guangzhou Military Region's "Handbook of Commonly Used Chinese Herbal Medicines."2. "Clears heat, detoxifies, dispels wind, and eliminates dampness." - Guangzhou Military Region's "Handbook of Commonly Used Chinese Herbal Medicines." Clinical applications and relevant combinations.

1、治腰腿痛：（牛白藤）根15-30g。水煎服。2、治痔疮出血，疖疮痈肿：牛白藤根15-30g。水煎服。（1-2方出自广州部队《常用中草药手册》）加工炮制 采收加工

1. Treatment for lower back and leg pain: 15-30g of Achyranthes bidentata root. Decoction for oral administration.2. Treatment for bleeding hemorrhoids, boils, and abscesses: 15-30g of Achyranthes bidentata root. Decoction for oral administration. (The above prescriptions are from the "Common Chinese Herbal Medicine Manual" of the Guangzhou Military Region.) Processing and preparation: Harvest and process.

全年均可采，洗净，鲜用或切片晒干。植物学信息 植物种属
It can be harvested all year round, washed, used fresh, or sliced and dried in the sun. Botanical information: plant species.

茜草科植物牛白藤。形态特征
Achyranthes bidentata, a plant in the Amaranthaceae family. Morphological characteristics.

粗壮藤状灌木，高3-5m，触之粗糙。幼枝四棱形，密被粉末状柔毛。叶对生；叶柄长3-10mm；托叶长4-6mm，有4-6条刺毛；叶片卵形或卵状披针形，长4-10cm，宽2.5-4cm，先端渐尖，基部阔楔形，上面粗糙，下面被柔毛，全缘，膜质。花序球形，腋生或顶生；总花梗长1.5-2.5cm；花细小，白色，具短梗；萼筒陀螺状，裂片4，线状披针形；花冠长1.5cm，裂片披针形，长4-4.5mm；外反；雄蕊二型，伸出或内藏。蒴果近球形，直径约2mm，先端极隆起，有宿存萼裂片，开裂。花期秋季。分布区域
A robust vine-like shrub, 3-5m tall, with a rough texture when touched. The young branches are four-angled, densely covered with powdery soft hairs. Leaves are opposite; petioles are 3-10mm long; stipules are 4-6mm long, with 4-6 prickly hairs; leaf blades are ovate or ovate-lanceolate, 4-10cm long, 2.5-4cm wide, gradually pointed at the apex, broadly wedge-shaped at the base, rough on the upper surface, softly hairy on the lower surface, with entire margins, membranous. The inflorescence is spherical, axillary or terminal; the peduncle is 1.5-2.5cm long; the flowers are small, white, with short stalks; the calyx tube is spirally twisted, with 4 linear-lanceolate lobes; the corolla is 1.5cm long, with lanceolate lobes, 4-4.5mm long; stamens are dimorphic, exerted or included. The capsule is nearly spherical, about 2mm in diameter, extremely swollen at the apex, with persistent calyx lobes, dehiscent. The flowering period is in autumn. Distribution area.

分布于广东、广西、云南。生长环境
Distributed in Guangdong, Guangxi, and Yunnan. Growing environment.

生于山谷、坡地、林下、灌木丛中。
Born in valleys, slopes, under forests, and among shrubs.