血竭原名麒麟竭,始载于《唐本草》。苏颂谓:“今南番诸国及广州皆出之。木高数丈,婆娑可爱。叶似樱桃而有三角。其脂液从木中流出,滴下如胶饴状,久而坚凝,及成竭,赤作血色。采无时。”李时珍谓:“此物如干血,故谓之血竭。”又谓:“采法亦于树下掘坎,斧伐其树脂流于坎,旬日取之 Dragon’s Blood was formerly known as Qilin Exhaustion, and it was contained in “Tang Materia Medica.” Su Song said: “This time, South Fanguo and Guangzhou are all out of it. The wood is high and the husband is very cute. The leaves resemble cherries and have triangles. The lipids flow out of the wood and drip like glue, long and firm. And into the exhausted, red blood color. Mining no time.” Li Shizhen said: “This material is like dried blood, it is called the blood.” Also said: "The mining method is also digging the tree under the tree, axe cut its resin flow in the can , take it on a