乳香始载于《名医别录》，原名幸陆香，来源于橄榄科植物卡氏乳香树及同属植物渗出油胶树脂。其功效为：理气活血，生肌敛疮。生乳香气味辛烈，刺激性较强，传统炮制方法常用水炙法、醋炙法、清沙法，此外还有煮、炒黄、酒炒等法，但均为少用。传统工艺炮制法较耗时费燃料，也 The frankincense was first published in the “Doctors Don’t Record”. The original name was Hiroshi Luk, which originated from olive oil plant Karyochi frankincense and its genus plant oil resin. Its efficacy is: qi and blood, muscle sore sores. Raw milk fragrant smell strong, strong irritant, the traditional method of cooking commonly used leeches, vinegar vinegar method, clear sand method, in addition to cooking, fried yellow, wine and other methods, but are less used. Traditional crafting methods are more time-consuming and fuel-consuming.