毛大丁草根，中药名。为菊科大丁草属植物毛大丁草Gerberapiloselloides（Linn.）Cass.的根及根茎。植物毛大丁草，分布于江苏、浙江、江西、福建、湖南、广东、广西、四川、贵州、云南及西藏等地。具有清热解毒，理气和血之功效。主治痢疾，乳蛾，痄腮，胸胁痞气，疝气，瘰疬，便血，尿血，肿毒。
Mao-da-ding-cao-gen, name of Chinese Medicinal Material. It refers to the root and rhizome of Gerbera piloselloides (Linn.) Cass., a plant belonging to the Asteraceae family. The plant is distributed in Jiangsu, Zhejiang, Jiangxi, Fujian, Hunan, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan, and Tibet. It has the functions of clearing heat, detoxifying, regulating qi, and promoting blood circulation. It is mainly used to treat dysentery, mastitis, mumps, chest and rib distention, hernia, scrofula, bloody stools, hematuria, and various types of swelling and toxicity.

功效作用 功能
Efficacy and Functions

清热解毒，理气和血。主治
Clearing heat, detoxifying, regulating qi and blood. Used to treat...

痢疾，乳蛾，痄腮，胸胁痞气，疝气，瘰疬，便血，尿血，肿毒。用法用量
Dysentery, mastitis, mumps, chest and rib distention, hernia, scrofula, bloody stools, hematuria, and swelling and toxicity. Dosage and administration.

内服：煎汤，6-9g。外用：适量，捣敷。相关论述
Internal use: Decoction, 6-9g. External use: Appropriate amount, pounded for application. Related discussions.

1、《滇南本草》：“功散疮毒，治小儿头秃疮，消散瘰疬，结核，利小便，止尿血，止大、小肠下血，利热毒，止膀胱偏坠气痛，疗乳蛾，痄腮红肿。”2、《云南中草药》：“清热解毒，凉血止血，主治痢疾，大肠下血，疮疡。”临床应用 相关配伍

1. "Dian Nan Ben Cao": "It disperses toxins, treats children's scalp sores and alopecia, dissipates scrofula, tuberculosis, promotes urination, stops urinary bleeding, stops bleeding in the large and small intestines, clears heat toxins, relieves bladder pain and prolapse, treats mastitis, and mumps with red swelling."2. "Yunnan Chinese Herbal Medicine": "Clears heat and detoxifies, cools and stops bleeding, mainly used for treating dysentery, lower gastrointestinal bleeding, and ulcers." Clinical applications and relevant compatibility.

1、治痢疾，小一支箭（根）、马尾黄连、地榆、山楂各15g。水煎服。（《曲靖专区中草药手册》）2、治阿米巴痢疾，小一支箭（根）、五倍子、盐肤木子、鸦胆子各等量。研末。每服1.5-3g，日服3次。（《曲靖专区中草药手册》）3、治小儿肺胃火热，乳蛾，痄腮红肿疼痛，发热头痛，小一支箭（根）二钱，连翘二钱，赤芍一钱。点水酒服。（《滇南本草》）4、治胸胁痞气，毛大丁草根，研末。面糊为丸。每服1.5-2g，开水送服。（《福建中草药》）5、治产后瘀血腹痛，毛大丁草根15g，红糖120g。炖服。（《闽东本草》）6、治红肿疮毒，小一支箭（根）、巴巴叶、鬼针、五叶草、破布草各适量。红糖为引，捣烂外包。（《曲靖专区中草药手册》）7、治久咳，百日咳，兔耳风根6g。煨肉吃。（《贵阳民间药草》）加工炮制 采收加工

1. For treating dysentery: Xioayizhijian (root), Matrimony vine, Diyu, and Hawthorn each 15g. Decoction for oral administration. (From "Qujing Special Area Herbal Manual") 2. For treating amoebic dysentery: Xioayizhijian (root), Gallnut, Myrobalan, and Ya Dan Zi in equal amounts. Grind into powder. Take 1.5-3g per dose, three times a day. (From "Qujing Special Area Herbal Manual") 3. For treating pediatric lung and stomach heat, milk moth, mumps with red swelling and pain, fever, and headache: Xioayizhijian (root) 2 qian, Forsythia suspensa 2 qian, and Paeonia lactiflora 1 qian. Take with water and wine. (From "Yunnan Materia Medica") 4. For treating chest and rib distention: Root of Maodadingcao, ground into powder. Make into pills with flour paste. Take 1.5-2g per dose, swallow with boiling water. (From "Fujian Herbal Manual") 5. For treating postpartum blood stasis and abdominal pain: Root of Maodadingcao 15g, brown sugar 120g. Stew and take orally. (From "Mindong Materia Medica") 6. For treating red swollen ulcers and toxins: Xioayizhijian (root), Babaye, Guizhen, Fiveleaf grass, and Pobucao in appropriate amounts. Use red sugar as a carrier, mash and apply externally. (From "Qujing Special Area Herbal Manual") 7. For treating chronic cough and whooping cough: 6g of Rabbit Ear Wind Root. Stew with meat and consume. (From "Guizhou Folk Herbal Medicine")

夏、秋季采挖，去净茎叶泥沙，晒干。药材鉴别 药材性状
Harvest in summer and autumn, clean the stems and leaves from dirt and sand, and sun-dry them. Identification of medicinal materials and their properties.

本品根茎部较粗大，具长而多的绵毛。须根长圆柱形。长2-8cm，直径约0.1cm。表面灰棕色，具细皱纹。质脆，易断，断面不平坦，皮部类白色，木部棕色。气微，味稍苦。植物学信息 植物种属
This product has a relatively thick and large rhizome, with long and dense hairs. The roots are cylindrical and elongated, measuring 2-8cm in length and approximately 0.1cm in diameter. The surface is grayish-brown with fine wrinkles. The texture is brittle and easy to break, with an uneven cross-section. The skin is white-like, and the wood part is brown. It has a mild aroma and a slightly bitter taste. Botanical information about the plant species.

菊科大丁草属植物毛大丁草。形态特征
The plant belongs to the Asteraceae family, Bidens genus, and is known as Bidens pilosa. It has the following morphological characteristics:

多年生草本。根茎短而粗壮，密被白色绵毛；须根多数，暗褐色。叶基生；有短柄；叶片质软而厚，长圆形或倒卵形，长5-10cm，宽2.5-4.5cm，先端钝圆，基部楔形，边缘全缘，幼时上面具柔毛，老时脱落，下面密被白色绵毛。花茎直立，单生，高10-40cm，被淡褐色绵毛；头状花序单生于花茎顶端，直径约3.5cm；总苞片2层，条状披针形，外层稍短，背面密被淡褐色绵毛；舌状花白色，雌性，二唇形，外唇伸长，3齿裂，内层细小，2深裂；筒状花两性，花冠稍二唇形。瘦果条状披针形，长约5mm，稍扁，有纵肋和细柔毛，喙在花时极短，成熟时则与瘦果等长；冠毛长约1cm，淡红色，有光泽。花期5-6月；果期8-9月。分布区域
Perennial herb. The rhizome is short and stout, densely covered with white woolly hairs; numerous fibrous roots, dark brown. Basal leaves; short petioles; leaf blades soft and thick, oblong or ovate, 5-10cm long, 2.5-4.5cm wide, obtuse at the apex, cuneate at the base, entire margin, with soft hairs on the upper surface when young, shed when old, densely covered with white woolly hairs on the lower surface. Flower stem erect, solitary, 10-40cm tall, covered with light brown woolly hairs; capitulum solitary at the apex of the flower stem, about 3.5cm in diameter; involucre with 2 layers of bracts, linear-lanceolate, outer layer slightly shorter, densely covered with light brown woolly hairs on the back; ray florets white, female, bilabiate, outer lip elongated, 3-toothed, inner lip small, 2-cleft; disc florets hermaphroditic, corolla slightly bilabiate. Achene linear-lanceolate, about 5mm long, slightly flattened, with longitudinal ribs and fine hairs, beak very short during flowering, then equal in length to the achene when mature; pappus about 1cm long, pale red, shiny. Flowering period from May to June; fruiting period from August to September. Distribution area.

分布于江苏、浙江、江西、福建、湖南、广东、广西、四川、贵州、云南及西藏等地。生长环境
Distributed in Jiangsu, Zhejiang, Jiangxi, Fujian, Hunan, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan, and Tibet, among other places. Growing environment.

生于向阳山坡草地和林边。
Born on the sunny slope of the mountain and by the edge of the forest.