Mint leaves do not cure cough, can be used for wind-heat colds, headache and dizziness, chest distension and congestion. Peppermint leaves is a medicinal substance, as a traditional Chinese medicine, the nature of the medicine is pungent, cool, attributed to the lung, liver meridian, has the evacuation of wind-heat, diaphoretic, clearing the head and eyes, dredge the liver, the efficacy of the rashes. It can be used for the treatment of wind-heat attacking the eyes with redness and tears, headache and dizziness, sore throat, paralysis of the throat (redness, swelling and pain in the pharynx, or dryness, a feeling of foreign body, or itchy and uncomfortable pharynx, difficulty in swallowing), and sores of the mouth and tongue, and it can be used together with mulberry leaves, cranberries, and chrysanthemums for the treatment of the eyes with redness and tears of wind-heat attacking the eyes. This product can also be used for wind-heat colds, the first signs of warmth; liver depression and stagnation of qi, chest and hypochondriac distension; impenetrable measles, itchy rubella. It should be noted that this product sweats and consumes qi, aromatic and pungent dispersal, should not be used by those who are weak and sweaty, and the adverse reactions are not clear. Do not use the drug by yourself, if cough, it is recommended to go to the hospital by a professional doctor for treatment.