活血丹，中药名。为唇形科活血丹属植物活血丹Glechoma longituba（Nakai）Kupr[G.hederacea L.var.longituba Nakai]的全草。具有利湿清热，散瘀消肿的功效。主治热淋石淋，湿热黄疸，暑热症，伤风咳嗽，胎咳，子肿，小儿疳积，疮痈肿痛，牙痛，痹痛，跌仆损伤，蛇咬，疥疮。
Huo-xue-dan, name of Chinese Medicinal Material. Glechoma longituba (Nakai) Kupr [G.hederacea L.var.longituba Nakai]) is the whole plant of the plant Glechoma longituba (Nakai) Kupr [G.hederacea L.var.longituba Nakai] in the Lamiaceae family. It has the functions of promoting blood circulation, removing blood stasis, and reducing swelling by promoting diuresis and clearing heat. It is used to treat hot lin syndrome, urinary stones, damp-heat jaundice, heatstroke, wind-cold cough, fetal cough, hernia, pediatric malnutrition, carbuncle and swelling pain, toothache, arthralgia, falls and injuries, snake bites, and scabies.

功效作用 功能
Efficacy and Functions

利湿清热，散瘀消肿。主治
Clearing dampness and heat, dispelling stasis and reducing swelling. Used to treat...

热淋石淋，湿热黄疸，暑热症，伤风咳嗽，胎咳，子肿，小儿疳积，疮痈肿痛，牙痛，痹痛，跌仆损伤，蛇咬，疥疮。用法用量
Recurrent urinary tract stones, damp-heat jaundice, heatstroke, common cold with cough, fetal cough, pediatric edema, infantile malnutrition, abscesses and boils, toothache, rheumatic pain, bruises and injuries from falls, snake bites, scabies. Dosage and administration.

内服：煎汤，15-30g；或浸酒，或捣汁。外用：适量，捣敷或绞汁涂敷。化学成分
Internal use: decoction, 15-30g; or soak in alcohol, or pound for juice. External use: appropriate amount, pound for poultice or squeeze for application. Chemical components.

茎叶含挥发油，主成分为左施松樟酮，左旋薄荷酮，胡薄荷酮，α-蒎烯，β-蒎烯，棕檬烯，1-8-桉叶素，对-聚伞花素，异薄荷酮，异松樟酮，芳樟醇，薄荷醇及α-松油醇等。成分随产地、采用及其他因素而有所差异还含欧亚活血丹呋喃，欧亚活血丹内酯。此外尚含熊果酸，β-谷甾醇，棕榈酸，琥珀酸，咖啡酸，阿魏酸，胆碱，维生素C及水苏糖等。药理作用
The stems and leaves contain volatile oils, with main components including camphor, menthol, menthone, α-pinene, β-pinene, limonene, eucalyptol, umbellulone, isomenthone, isoborneol, linalool, menthol, and bornyl acetate. The composition may vary depending on the origin, harvesting methods, and other factors. It also contains furanodienone and furanodiene, which promote blood circulation. Additionally, it contains ursolic acid, β-sitosterol, palmitic acid, succinic acid, caffeic acid, asaric acid, choline, vitamin C, and sucrose. Pharmacological actions.

1、利胆作用：能肿进肝细胞的胆汁分泌，肝胆管内胆汁增加，内压增高，胆道括纸醉金迷肌松弛，而使胆汁排出。2、利尿作用：煎剂大鼠灌胃有显着着利尿作用，连续应用则利尿作用逐渐降低。麻醇家兔试验也有明显利尿作用。3、溶解结石作用：能使小便变为酸性，而使存在于碱性条件下的结石溶解。4、抑菌试验：对金黄色葡萄球极度敏感，宋内痢疾杆菌中离敏感，大肠杆菌、绿脓杆菌、伤寒杆菌均不敏感。加工炮制 采收加工

1. Cholagogic effect: It can promote the secretion of bile in liver cells, increase bile in the hepatic ducts, raise internal pressure, relax the sphincter of Oddi, and facilitate the discharge of bile.2. Diuretic effect: Oral administration to rats shows a significant diuretic effect, but the diuretic effect gradually decreases with continuous use. Tests on rabbits also demonstrate a noticeable diuretic effect.3. Dissolving effect on stones: It can acidify urine, leading to the dissolution of stones that exist under alkaline conditions.4. Antibacterial test: Highly sensitive to Staphylococcus aureus, moderately sensitive to Shigella, and not sensitive to Escherichia coli, Pseudomonas aeruginosa, or Salmonella. Processing and preparation methods are required during harvesting and processing.

4-6月采收全草，晒干或鲜用。药材鉴别 药材性状
Harvest the whole plant from April to June, and dry it in the sun or use it fresh. Identify the medicinal materials and their characteristics.

茎叶方柱形，细而扭曲，长10-20cm，直径1-2mm，表面黄绿色或紫红色，具纵棱及短柔毛，节上有不定根；质脆，易折断，断面常中空。叶对生，灰绿色或绿褐色，多皱缩，展平后呈肾形或近心形，长1-3cm，宽1.5-3cm，边缘具圆齿叶柄纤细，长4-7cm。轮伞花序腋生，花冠淡蓝色或紫色，二唇形，长达2cm。搓之气芳香，味微苦。以叶多、色绿、气香浓者为佳。植物学信息 植物种属
The stem and leaves are square in shape, thin and twisted, 10-20cm long, 1-2mm in diameter, with a yellow-green or purple-red surface, longitudinal ridges and short soft hairs, and adventitious roots at the nodes; the texture is brittle, easy to break, and the cross-section is often hollow. The leaves are opposite, gray-green or green-brown, often wrinkled, kidney-shaped or nearly cordate when spread out, 1-3cm long, 1.5-3cm wide, with rounded teeth on the edges, and slender leaf stalks, 4-7cm long. The umbel inflorescence is axillary, with pale blue or purple bilabiate corollas, up to 2cm long. When rubbed, it emits a fragrant aroma and has a slightly bitter taste. Leaves that are abundant, green in color, and with a strong fragrance are considered superior. Botanical information about the plant species.

唇形科活血丹属植物活血丹。形态特征
The plant "Huoxuedan" belongs to the genus of plants in the family of Labiatae, which promotes blood circulation. Its morphological characteristics include:

多年生草本，高10-30cm，幼嫩部分被疏长柔毛。匍匐茎着茎地生根，茎上升，四棱形。叶对生；叶柄长为叶片的1.5倍，被长柔毛；叶片心形或近肾形，长1.8-2.6cm，宽2-3cm，先端急尖或钝，边缘具圆齿，两面被柔毛或硬毛。轮代站花序通常23花；小苞片线形，长4mm，被缘毛；花萼筒状，长9-11mm，外面被长柔毛，内面略被柔毛，萼齿5，上唇3齿较长，下唇2齿略短，顶端芒状，具缘毛；花冠蓝色或紫色，下唇具深色斑点，花冠筒有长和短两型，长筒者长1.7-2.23cm，短筒者长1-1.4cm，外面多少端凹入；雄蕊4，内藏，后对较长，花药2室；子房4裂，花柱略伸出，柱头2裂；花盘杯状，前方呈指状膨大。小坚果长圆状卵形，长约1.5mm，深褐色。花期4-5月，果期5-6月。分布区域
Perennial herb, 10-30cm tall, with sparsely long soft hairs on tender parts. It has creeping stems that root at nodes, with ascending, quadrangular stems. Leaves are opposite; leaf stalks are 1.5 times the length of leaf blades, covered with long soft hairs; leaf blades are heart-shaped or nearly kidney-shaped, 1.8-2.6cm long, 2-3cm wide, acute or obtuse at the apex, with rounded teeth on the margin, and covered with soft or stiff hairs on both sides. The cymes usually have 23 flowers; bracts are linear, 4mm long, with ciliate margins; calyx tubular, 9-11mm long, with long soft hairs on the outside, slightly hairy on the inside, with 5 teeth, 3 longer teeth on the upper lip, 2 shorter teeth on the lower lip, awn-shaped at the apex, and ciliate margins; corolla blue or purple, with dark spots on the lower lip, and two types of corolla tubes, long tubes 1.7-2.23cm long, short tubes 1-1.4cm long, somewhat constricted towards the apex; stamens 4, included, with longer pairs opposite, anthers 2-celled; ovary 4-lobed, style slightly exserted, stigma 2-lobed; disc cup-shaped, anteriorly finger-shaped swollen. Nutlets are oblong-ovate, about 1.5mm long, dark brown. Flowering period is from April to May, fruiting period is from May to June. Distribution area.

全国各地除甘肃、青海、新疆及西藏外，均有分布。生长环境
Distributed throughout the country except for Gansu, Qinghai, Xinjiang, and Tibet. Growing environment.

生于海参拔50-2000m的林缘、疏林下、草地上或溪边等阴湿处。
Born in the damp and shady places such as the forest edge, sparse forests, grasslands, or by the stream at an altitude of 50-2000 meters.