The Chinese Pharmacopoeia stipulates that the dosage for each decoction of ephedra is 2~10 g. The specific dosage is decided by the doctor according to the individual’s condition, and the doctor should be consulted before the use of the medicine. Ephedra is pungent and dispersing, warm and cold, good at opening the coupling, sweating and dispersing evil. It is good at opening the coupling, sweating and dispersing evils. It is suitable for the syndrome of wind-cold and cold with fever, no sweating, and pain in the head and body. In addition, this product is pungent, bitter and descending, with the efficacy of promoting the lungs and calming asthma, suitable for lung gas congestion, chest tightness and coughing. This product can also diuretic and eliminate edema (diuresis, elimination of edema), suitable for edema, dysuria (unruly urination) with episodic evidence of fengshui (sudden edema of the head, face and limbs) edema. The adverse reactions and contraindications of Roasted Ephedra are not clear. Ephedra contains ephedrine, ephedrine has the effect of excitation of the center, so athletes should be careful. It should be used with caution in cases of superficial deficiency and spontaneous sweating (frequent natural sweating due to weakness of the muscular surface), yin deficiency and night sweating (abnormal sweating after going to sleep, but sweating stops after waking up), and lung and kidney deficiency and wheezing. Drugs must be used under the guidance of a doctor, do not blindly self-medication.