麻黄为麻黄科多年生草木状小灌木草麻黄、木贼麻黄、中麻黄的干燥茎枝,呈黄绿色,外表粗糙,茎节间有鳞片状对生小叶,茎中空,富含粉质。习惯分为去节者叫净麻黄,捣绒者叫麻黄绒,蜜炙者叫炙麻黄。性味功能:辛、微苦,温。发汗、平 Ephedra is the dry stem of Ephedrae, a grassy and wooden shrub of Ephedra, Equisetum and Ephedra. It is yellowish-green and has a rough surface. There are scale-like opposites between the stem and stem, and the stems are hollow, rich in silty. Habits are divided into those who go to the festival called net ephedra, cashmere is called ephedra velvet, honey pods are called ephedra. Taste function: Xin, bitter, warm. Sweat, flat