There is no so-called 9 contraindications of ephedra, but it should be used with caution for those who suffer from surface deficiency and spontaneous sweating (frequent and natural sweating due to weakness of the muscular surface), yin deficiency and night sweating (sweating abnormally after going to sleep, and sweating stops after waking up), and lung and kidney deficiency and wheezing. Ephedra is a wind-cold dispersing traditional Chinese medicine for the herbaceous stems of the ephedra plant of the Ephedra family, the grass ephedra, the middle ephedra, or the carpenter’s ephedra. It is pungent, slightly bitter, warm in nature, and belongs to the lung and bladder meridians. It has the effects of sweating and dispersing cold, promoting the lungs and calming wheezing, and inducing diuresis and eliminating oedema, and is used for wind-cold colds and flu, chest congestion, wheezing and coughing, and wind-water (sudden edema in the head, face, and limbs) and edema. The adverse effects of ephedra are not clear. Because of its warm nature, it should be used with caution in cases of spontaneous sweating due to deficiency of the surface, night sweating due to deficiency of yin, and asthma due to deficiency of the lungs and kidneys. If there is a need for medication, it is recommended that it be used under the guidance of a professional physician, and not blindly self-medication.