黄芩黄芩俗名山茶叶根、黄芩茶,为多年生草本植物。京郊各山区均产,以延庆较多,生长在半阴半阳地带。黄芩以谷雨至夏至、白露至立冬为采挖期。挖出后撺掉秧苗(注意不要损伤芦头),晒至稍干,即装入荆条(?)内开(?),(?)净粗皮,取出放在平地晒至四、五成干 Astragalus membranaceus is a perennial herb that is known as tea root and astragalus tea. The mountains and suburbs of the Beijing suburbs are all produced in Yanqing and grow in semi-yin and semi-positive areas. Huang Wei to the valley to the summer solstice, Bai Lu to Li Dong for the excavation period. After digging out, remove the seedlings (be careful not to damage the head of the reed), and dry it to a little dry, then put it into the Vitex (?) to open (?), (?) net coarse skin, take it out and put it on the ground until it is 40% to 50% dry