小构树汁，中药名。为桑科植物小构树BroussonetiakaempferiSieb.的树汁。分布于长江中下游以南各地及陕西。具有祛风止痒，清热解毒之功效。用于皮炎，疥癣，蛇虫犬咬。
Xiao-gou-shu-zhi, name of Chinese Medicinal Material. It is the sap of BroussonetiakaempferiSieb., a plant of the Moraceae family, distributed in the southern regions of the middle and lower reaches of the Yangtze River and in Shaanxi. It has the functions of dispelling wind, relieving itching, clearing heat, and detoxifying. It is used for dermatitis, scabies, and bites from snakes, insects, and dogs.

功效作用 功能
Efficacy and Functions

祛风止痒，清热解毒。主治
Dispelling wind and relieving itching, clearing heat and detoxifying. Mainly used for...

用于皮炎，疥癣，蛇虫犬咬。用法用量
Used for dermatitis, scabies, and bites from snakes, insects, or dogs. Dosage and administration.

外用：适量，取汁涂。相关论述
External use: Apply an appropriate amount of the juice topically. Related discussions.

《全国中草药汇编》：“解毒，杀虫。外用治神经性皮炎，顽癣。”临床应用 相关配伍
"National Compilation of Chinese Herbal Medicines": "Detoxification, insecticidal. Used externally to treat neurodermatitis and stubborn ringworm." Clinical application and relevant compatibility.

1、治局限性皮炎，牛皮癣：葡蟠树汁擦患处。（金华《常用中草药单方验方选编》）2、治蛇虫犬咬：小构树皮中胶汁，搽患处。（《湖南药物志》）加工炮制 采收加工

1. Treat localized eczema and psoriasis: Apply the juice of the pomegranate tree to the affected area. (Selected Compilation of Commonly Used Traditional Chinese Herbal Formulas from Jinhua)2. Treat snake, insect, or dog bites: Use the resin from the bark of the Chinese sumac tree and apply it to the affected area. (Hunan Materia Medica)Processing and preparation: Harvest and process.

全年均可采，割划树皮，使胶汁流出，收集。植物学信息 植物种属
The bark can be harvested all year round by cutting and slashing the tree bark to allow the latex to flow out and then collecting it. Botanical information: Plant species.

桑科植物小构树。形态特征
Morus is a genus of plants in the Moraceae family. Here are some morphological characteristics.

小构树又名葡蟠，小叶构。蔓生藤状灌木；树皮黑褐色；小枝显著伸长，幼时被浅褐色柔毛，成长脱落。叶互生，螺旋状排列，近对称的卵状椭圆形，长3.5-8厘米，宽2-3厘米，先端渐尖至尾尖，基部心形或截形，边缘锯齿细，齿尖具腺体，不裂，稀为2-3裂，表面无毛，稍粗糙；叶柄长8-10毫米，被毛。花雌雄异株，雄花序短穗状，长1.5-2.5厘米，花序轴约1厘米；雄花花被片4-3，裂片外面被毛，雄蕊4-3，花药黄色，椭圆球形，退化雌蕊小；雌花集生为球形头状花序。聚花果直径1厘米，花柱线形，延长。花期4-6月，果期5-7月。分布区域
Xiaogou tree, also known as Pupan and Xiaoye Gou, is a climbing shrub with black-brown bark. Its small branches elongate significantly, covered with light brown soft hairs when young, which fall off as they grow. The leaves are alternate, spirally arranged, nearly symmetrical, ovate-elliptic, 3.5-8 cm long and 2-3 cm wide, gradually tapering to a pointed or tail tip at the apex, heart-shaped or truncate at the base, finely serrated margins with glandular teeth, rarely 2-3 lobed, hairless surface, slightly rough; petioles are 8-10 mm long, hairy. The plant is dioecious, with male flowers in short spike-like clusters, 1.5-2.5 cm long, with a flower axis of about 1 cm; male flowers have 4-3 tepals, hairy on the outside, 4-3 stamens with yellow anthers, elliptical and small degenerate pistils; female flowers are clustered into spherical head-like inflorescences. The aggregate fruit has a diameter of 1 cm, with a linear and elongated style. The flowering period is from April to June, and the fruiting period is from May to July. This plant is distributed in certain regions.

分布于长江中下游以南各地及陕西。生长环境
Distributed in various regions south of the middle and lower reaches of the Yangtze River and in Shaanxi. Growing environment.

生于海拔200-1700m的山坡灌丛、溪边路旁或次生杂木林中。
Born on mountain slopes at altitudes of 200-1700 meters, in shrubs, by streams, roadsides, or in secondary mixed forests.