槲叶，中药名。为壳斗科栎属植物槲树Quercus dentata Thunb.的树叶。具有止血，通淋的功效。主治吐血，衄血，便血，痔血，血痢，小便淋痛。
Hu-ye, name of Chinese Medicinal Material. Quercus dentata Thunb.) refers to the leaves of the oak tree in the Fagaceae family. It is known for its hemostatic and diuretic effects, and is commonly used to treat conditions such as vomiting blood, hemorrhage, bloody stools, hemorrhoids, dysentery with blood, and painful urination.

功效作用 功能
Efficacy, function.

止血，通淋。主治
Stop bleeding, promote urination. Mainly used for治疗。

吐血，衄血，便血，痔血，血痢，小便淋痛。用法用量
Hematemesis, epistaxis, hematochezia, bleeding hemorrhoids, bloody dysentery, painful urination. Dosage and administration.

内服：煎汤、捣汁或研末。外用：煎水洗。化学成分
Internal use: decoction, juice extraction, or powdering. External use: decoction for washing. Chemical components.

槲树叶含山柰酚3-O-【2″，6″-O-（E）-二对香豆酰基-β-D-吡喃葡萄糖甙】。相关论述
Oak leaves contain quercetin 3-O-[2″,6″-O-(E)-dihydrocaffeoyl-β-D-glucopyranoside]. Relevant discussion.

1、《唐本草》：“主痔、止血，血痢，止渴。”2、《纲目》：“活血，利小便。”3、《现代实用中药》：“治淋病，尿赤，又驱绦虫。”临床应用 相关配伍

1. "Tang Ben Cao": "Mainly used for hemorrhoids, stopping bleeding, bloody dysentery, and relieving thirst."2. "Gang Mu": "Promotes blood circulation and facilitates urination."3. "Modern Practical Chinese Medicine": "Used for treating gonorrhea, red urine, and expelling tapeworms." Clinical applications and relevant compatibility.

1、治吐血：槲叶不拘多少，捣末，每服二钱，水一盏，煎取五、七分，和滓服。（《简要济众方》）2、治大衄，口耳皆出血不止：槲叶捣绞取汁，每服一小盏，频服即止，（《圣惠方》）3、治初得肠风，及血痔热多者：槲叶微炙，炒槐花减槲叶之半，同为末。米饮调服，血痔热者尤佳，亦堪为炭。（《本草衍义》）4、治冷淋，小肠不利，茎中急痛：槲叶捣筛为散，每服三钱，以水一中盏，入葱白七寸，煎至六分，去滓，每于食前温服之。（《圣惠方》）5、治蝼蛄瘘：槲叶，烧灰细研。以泔别渍槲叶，取汁洗之，拭干，纳少许灰于疮中。（《圣惠方》）加工炮制 采收加工

1. Treating hematemesis: Take an appropriate amount of oak leaves, grind them into powder, take two qian (a traditional Chinese unit of weight), add a cup of water, decoct for five to seven minutes, and take the decoction with the dregs. (From "Brief Collection of Formulas for Aid to the Masses") 2. Treating profuse bleeding from the mouth and ears: Grind oak leaves into a paste, extract the juice, take a small cup of it each time, and repeat the dose until the bleeding stops. (From "Holy Benevolent Formulas") 3. Treating early-stage intestinal wind and excessive heat in blood hemorrhoids: Slightly scorch oak leaves, fry them with half the amount of pagoda tree flowers, grind them into powder. Mix with rice water for oral administration. Particularly effective for cases with heat in blood hemorrhoids, can also be used as charcoal. (From "Extended Interpretation of Materia Medica") 4. Treating cold urinary dribbling, urgent pain in the stem of the small intestine: Grind oak leaves into a powder, take three qian each time, add a cup of water, put in a seven-inch section of green onion, decoct until reduced to six minutes, remove the dregs, and take it warm before meals. (From "Holy Benevolent Formulas") 5. Treating anal fistula caused by scabies: Burn oak leaves to ash and grind finely. Soak the oak leaves in rice wash, extract the juice, wash the affected area, pat dry, and apply a small amount of ash to the ulcer. (From "Holy Benevolent Formulas") Processing and preparation: Harvesting and processing.

5-11月采收树叶，鲜用或晒干。植物学信息 植物种属
Leaves should be harvested from May to November, and can be used fresh or dried. Botanical information: Plant species.

壳斗科栎属植物槲树。分布区域
Quercus, a genus of the Fagaceae family, includes the oak tree. Distribution area.

分布全国大部分地区。生长环境
Distributed in most parts of the country. Growing environment.

生于海拔2700m以下的山地阳坡，或与其他栎类、榉树、马尾松等混生，有时成纯林。
Born on the sunny slopes of mountains below 2700 meters above sea level, it may grow mixed with other oak species, beech trees, and Chinese red pines, sometimes forming pure forests.