牛大力,别名猪脚笠、金钟根、山莲藕、倒吊金钟、大力薯。为豆科崖豆藤属植物美丽崖豆藤的根。牛大力主要成分为蛋白质、淀粉质及生物碱等。味甘,性平,归脾、肺经。具有补虚润肺,强筋活络之功效。用于病后虚弱,腰肌劳损,风湿性关节炎,肺虚咳嗽、肺结核、慢性支气管炎、慢性肝炎、遗精等症。牛大力长椭圆形或不规则厚片,大小不一。外表皮黄褐色或淡黄色,稍粗糙。切面黄白色,向内有一层不明显的浅棕色环纹,有放射状纹理, Cow vigorously, alias pig’s hat, Admiralty root, mountain lotus root, inverted Admiralty, big potato. For the leguminous beans bean vine plants beautiful cliff bean vine roots. Cow vigorously main ingredients for protein, starch and alkaloids. Sweet, flat, spleen, lung. With tonic lungs, strong gluten active effect. For post-illness weakness, lumbar muscle strain, rheumatoid arthritis, lung deficiency cough, tuberculosis, chronic bronchitis, chronic hepatitis, spermatorrhea embolism. Big oval oval or irregular thick slices, different sizes. Outer skin tan or yellowish, slightly rough. Yellow-white section, there is no obvious inward light brown ring pattern, radial texture,