The efficacy of raw ephedra is sweating and dispersing cold, promoting the lungs and calming asthma, etc. It can be used in the treatment of typhoid fever (illnesses caused by fever due to the feeling of cold evils), surface solidity, wind and water (sudden oedema of the head, face and limbs), swelling, and urinary incontinence (unruly urination). Raw ephedra is pungent, warm and dispersing, and can dispel the wind-cold evil that attacks the surface of the muscle, so it is the first medicine for relieving muscle publication (using sweating and other methods to make the evil trapped in the surface of the muscle to go out), and is often used in the surface syndrome of wind-cold. If the wind-cold external attack, binding the surface of the wind-cold surface of the solid evidence, cold (fear of cold) fever, headache, body pain, no sweat and gasping, often with Gui Zhi, almonds, licorice, etc. used. Raw ephedra enters the lung meridian, can promote lung qi, cough and asthma (stop coughing, calm wheezing), for the lung qi congestion of the real evidence of wheezing and coughing of the important medicine, can be used for the evil congestion in the lung, lung qi does not promote the coughing and wheezing of the people. Raw ephedra can promote the lungs and drain heat, regulate the water channels, diuretic swelling, promote the lungs and relieve the epidermis, sweating and remove dampness, so it can be used for the attack of wind, wind and water, a full body swollen, urination is unfavorable, the pulse is floating, a slight thirst, often used with ginger, gypsum, licorice and so on. It is contraindicated in cases of spontaneous sweating, night sweating and asthma. Taking this medicine, need to be under the guidance of a doctor.