Ephedra root is the rhizome part of Ephedra, which has the effect of fixing the surface to stop sweating and diuresis. It is mainly used for spontaneous sweating and night sweating manifestation symptoms that occur in the body. In case of superficial deficiency spontaneous sweating, it is often combined with drugs that tonify Qi and fix the surface, such as Astragalus and Radix Codonopsis; in case of Yang deficiency spontaneous sweating, it is often combined with drugs that tonify Yang, such as Radix et Rhizoma and Cinnamon; in case of Yin deficiency night sweating, it is often combined with drugs that nourish Yin and astringent, such as often with Liu Wei Di Huang Wan. If it is spontaneous sweating, it is also often combined with calcined oyster for local grinding of fine powder, for external use on the skin, which also has a good antiperspirant effect. Ephedra root contains a large amount of ephedrine, for the body also has a diuretic effect on swelling, for the body to consume too much salt and other edema has a good diuretic effect. Ephedrine is mainly contained in ephedra root or ephedra stem, which has a strong clinical application for the body’s elevated blood pressure and diuretic effect on the body.