汉季张仲景著《伤寒杂病论》,制麻黄类方以治伤寒杂病,开用麻黄制方应用于临床之先河。其组方之妙、变化之多、运用之广,堪称炉火纯青。大凡仲景用麻黄有三,即表证、水饮、痹痛。用于表证和水饮者,入药多先煎,如麻黄汤,大、小青龙汤,麻杏石甘汤,越婶 Han Zhong Zhang Zhongjing’s “Treatise on Febrile and Miscellaneous Diseases”, the system of ephedra to treat typhoid fever, and the use of ephedra prescription for clinical application. The best of its composition, change, and use of a wide range can be considered as a perfect match. Zhan Jing used to have three ephedra, that is, evidence, drinking, pain. For the identification and water drinkers, use more medicine first fried, such as Ma Huang Tang, Da Qing Xiao Long Tang, Maxin Shi Gan Tang, Yue