地钱，中药名。为地钱科植物地钱MarchantiapolymorphaL.的叶状体。全国各地均有分布。具有清热利湿，解毒敛疮之功效。常用于湿热黄疸，疮痈肿毒，毒蛇咬伤，水火烫伤，骨折，刀伤。
Di-qian, name of Chinese Medicinal Material. It refers to the thallus of Marchantia polymorpha L., a plant of the Marchantiaceae family. It is distributed throughout the country. It has the functions of clearing heat, promoting diuresis, detoxification, and healing wounds. It is commonly used for damp-heat jaundice, abscesses, swelling and toxicity, snake bites, burns, fractures, and cuts.

功效作用 功能
Efficacy and Functions

清热利湿，解毒敛疮。主治
Clearing heat, promoting dampness, detoxifying, and healing sores. Mainly used for治疗。

湿热黄疸，疮痈肿毒，毒蛇咬伤，水火烫伤，骨折，刀伤。用法用量
Damp-heat jaundice, sores and abscesses, snake bites, burns, fractures, and knife wounds. Dosage and administration.

内服：煎汤，5-15g；或入丸、散。外用：适量，捣敷；或研末调敷。药理作用
Internal use: decoction, 5-15g; or in pill or powder form. External use: appropriate amount, pounded for application; or ground into powder for application. Pharmacological actions.

抗菌作用。相关论述
Antimicrobial effects. Relevant discussions.

1、《贵州民间药物》：“生肌，拔毒，清热。”2、《全国中草药汇编》：“解毒，祛瘀，生肌。外用治烧烫伤，骨折，毒蛇咬伤，疮痈肿毒，臁疮，癣。”临床应用 相关配伍

1. "Guizhou Folk Medicine": "Promotes tissue regeneration, detoxifies, and clears heat."2. "Compilation of Chinese Herbal Medicines Nationwide": "Detoxifies, dispels stasis, promotes tissue regeneration. Used externally to treat burns, scalds, fractures, snake bites, abscesses, carbuncles, and ringworm." Clinical applications and relevant combinations.

1、治疮疖肿毒：（地钱）鲜品洗净捣烂，加糖或甜酒少许和匀敷。(《湖南药物志》)2、治毒蛇咬伤：（地钱）鲜全草适量，捣烂敷患处；另用雄黄9g，白芷3g，共研细粉，用白酒送服。(《浙江药用植物志》)3、治刀伤，骨折：地梭罗捣绒包伤处。(《贵州民间药物》)加工炮制 采收加工

1. Treatment of ulcers and abscesses: (Houttuynia cordata) Fresh herbs washed and mashed, mixed with a little sugar or sweet wine, and applied evenly. (From "Hunan Materia Medica")2. Treatment of snake bites: (Houttuynia cordata) Fresh whole herb in appropriate amount, mashed and applied to the affected area; also use 9g of Realgar, 3g of Angelica dahurica, grind into fine powder, and administer with white wine. (From "Zhejiang Medicinal Plants")3. Treatment of cuts and fractures: Houttuynia cordata mashed and applied to the wound. (From "Guizhou Folk Medicine") Processing and preparation: Harvesting and processing.

夏、秋季采收，洗净，鲜用或晒干。药材鉴别 药材性状
Harvest in summer or autumn, wash and clean, use fresh or sun-dry. Identification of medicinal materials and their properties.

叶状体呈皱缩的片状或小团块。湿润后展开呈扁平阔带状，多回二歧分叉，表面暗褐绿色，可见明显的气孔和气孔区划。下面带褐色，有多数鳞片和成丛的假根。气微，味淡。植物学信息 植物种属
The leaf body is wrinkled and forms a sheet-like or small cluster. When moistened, it unfolds into a flat, wide strip, often with bifurcations, with a dark brownish-green surface, visible stomata and stomatal regions. The underside is brown with numerous scales and clusters of false roots. It has a mild taste and a subtle aroma. Botanical information about the plant species.

地钱科植物地钱。形态特征
Houttuynia cordata is a plant in the Saururaceae family. Its morphological characteristics include:

叶状体暗绿色，宽带状，多回二歧分叉，长5-10cm，阔1-2cm，边缘微波状，背面具六角形，整齐排列的气室分隔，每室中央具1枚烟囱型气孔，孔口边细胞4列，呈十字形排列。腹面鳞片紫色；假根平滑或带花纹。雌雄异株。雄托盘状，波状浅裂，精子器埋于托筋背面；雌托扁平，先端深裂成9-11个指状裂瓣；孢蒴生于托的指腋腹面。叶状体背面前端常生有杯状的无性芽胞杯，内生胚芽，行无性生殖。生长环境
The thallus is dark green, ribbon-like, with multiple dichotomous branches, 5-10cm long, 1-2cm wide, with slightly wavy edges. The backside has hexagonal air chambers arranged neatly, each chamber has a chimney-shaped stomata in the center, with 4 rows of cells around the pore forming a cross-shaped pattern. The ventral surface is purple; pseudo roots are smooth or patterned. It is dioecious, with male receptacles being tray-shaped, shallowly lobed, and antheridia embedded on the back of the receptacle ribs; female receptacles are flat, deeply divided into 9-11 finger-like lobes at the apex; sporangia are borne on the ventral surface of the receptacle lobes. The front end of the thallus often bears cup-shaped asexual gemma cups on the backside, containing embryonic buds for asexual reproduction. Habitat.

生于阴湿的土坡或湿石及潮湿墙基。全国各地均有分布。
Born on damp soil slopes or wet rocks and damp walls. Distributed throughout the country.