Ephedra Tang has the efficacy of sweating and relieving surface Qi (relieving evil Qi on the surface of the body by sweating), promoting the lungs and calming asthma. Failure to perspire may be caused by smaller dosage of medicine, physical reasons and cold weather. The main ingredients of Ephedra Soup are ephedra, cinnamon sticks, almonds and licorice, which can be used for treating external wind-cold syndrome of the surface. Do not eat cold food after taking ephedra soup, drink more hot soup to avoid excessive sweating caused by dehydration. 1. Smaller amount of medicine: may be in the prescription of ephedra dosage is not enough, ephedra dosage is small, so there will be the phenomenon of drinking ephedra soup without sweating. 2. Physical reason: usually the patient belongs to the body that does not sweat, the cold evil will be discharged from other places, and the situation of drinking ephedra soup without sweating will also occur. 3. Cold weather: once the wind-cold evil invades, the epidermis is tightly closed, and there will also be drinking ephedra soup without sweating. Taking ephedra soup is recommended to patients in the professional Chinese medicine practitioner’s diagnosis and treatment to take, not self-medication. If you drink ephedra soup has not been sweating, it is recommended to go to the regular Chinese medicine hospital to adjust the prescription.