金钗凤尾蕨，中药名。为凤尾蕨科植物金钗凤尾蕨Pteris fauriei Heiro.[P.fauriei Hieron var.minor Hieron.]的叶。具有清热利湿，祛风定惊，敛疮止血的功效。主治痢疾，泄泻，黄疸，小儿惊风，外伤出血，烫火伤。
Jin-chai-feng-wei-jue, name of Chinese Medicinal Material. the leaves of Pteris fauriei Heiro, a plant in the Pteridaceae family. It has the effects of clearing heat and dampness, dispelling wind and calming convulsions, and stopping bleeding and healing sores. It is used to treat dysentery, diarrhea, jaundice, infantile convulsions, external bleeding, and burns.

功效作用 功能
The efficacy and functions.

清热利湿，祛风定惊，敛疮止血。主治
Clearing heat and dampness, dispelling wind and calming the mind, and stopping bleeding and promoting wound healing. Used to treat...

痢疾，泄泻，黄疸，小儿惊风，外伤出血，烫火伤。用法用量
Dysentery, diarrhea, jaundice, infantile convulsions, external bleeding from trauma, and scalds and burns. Dosage and administration.

内服：煎汤，6-15g。外用：适量，研末撒；或捣敷。化学成分
Internal use: Decoction, 6-15g. External use: Appropriate amount, sprinkle after grinding; or apply as a poultice. Chemical composition.

全草含蕨素W、X，蕨甙S、T、U、X、W，以及金粉蕨辛-2'-O-β-D-葡萄糖甙。相关论述
The whole plant contains amentoflavone W, X, fern glycosides S, T, U, X, W, and kaempferol 2'-O-β-D-glucoside. Relevant discussions are as follows.

《新华本草纲要》：有收敛止血的功能。用于外伤出血及烫火伤。植物学信息 植物种属
"Compendium of Materia Medica": It has the function of astringing and stopping bleeding. It is used for external bleeding, scalds, and burns. Botanical information: plant species.

凤尾蕨科植物金钗凤尾蕨。形态特征
The plant "Adiantum capillus-veneris" belongs to the family Pteridaceae. Here are its morphological characteristics:

陆生蕨类植物，植株高50-60cm。根茎短，斜生，顶端和叶柄基部有狭披针形鳞片。叶纸质，近丛生，一型；叶柄禾秆色；叶片卵状三角形，长30-45cm，宽30-40cm，二回深羽裂达羽轴两侧的狭翅，基部1对羽片二叉；裂片20-30对，宽披针形或线状略镰刀形，斜向上，略弯弓，长2.5-4cm，宽5-7mm，全缘；叶主脉处有少数针状细刺，侧脉二叉。孢子囊群沿裂片顶部以下的边缘连续分布，囊群盖线形，膜质，灰色，全缘。分布区域
Terrestrial fern, plant height 50-60cm. Rhizome short, oblique, with narrow lanceolate scales at the apex and base of the petiole. Leaves papery, nearly clustered, all of one type; petiole straw-colored; leaf blade ovate-triangular, 30-45cm long, 30-40cm wide, deeply pinnatifid to the rachis on both sides with narrow wings, with a pair of bifurcate pinnae at the base; segments 20-30 pairs, broadly lanceolate or linear-sickle-shaped, obliquely ascending, slightly curved, 2.5-4cm long, 5-7mm wide, entire margin; a few needle-like spines at the midrib of the leaf, with bifurcate veins. Sporangia continuous along the edge below the top of the segments, sporangial cover linear, membranous, gray, entire margin. Distribution area.

分布安徽、浙江、江西、福建、台湾、湖南、广东、广西等地。生长环境
Distributed in Anhui, Zhejiang, Jiangxi, Fujian, Taiwan, Hunan, Guangdong, Guangxi, and other regions. Growing environment.

生于海拔300-800m的林下、沟边酸性土上。
It grows on acidic soil in the understory and along the edges of valleys at an altitude of 300-800 meters.