Mentha piperita is used in decoction for internal use, and the usual dosage is 3g-6g, which needs to be taken afterward. Peppermint belongs to the traditional Chinese medicine, which has the effects of dispersing wind-heat, clearing the head and eyes, inducing diaphoresis, penetrating rashes, dredging the liver and promoting the flow of qi. Peppermint is used for treating wind-heat colds, the first signs of wind-warmth, headache, eye redness, laryngeal paralysis (redness, swelling and pain in the throat, or dryness, foreign body sensation, or itchy throat, difficulty in swallowing), mouth sores, rubella, measles, and distension of the chest and ribs (collectively referred to as the chest and ribcage area). Mentha piperita is used for the treatment of wind-heat cold or the beginning of warm disease, the evil in the Wei division, fever, a slight aversion to wind-cold, headache, etc., with honeysuckle, forsythia, burdock and other drugs; or with mulberry leaves, chrysanthemums and other wind-heat dispersing drugs; if the first warm disease, pain in the bones and joints of the peripheral body, skin, strong heat and no sweating, headache, the back of the slight aversion to cold, the floating and slippery pulse, can be matched with gypsum, cicadas, licorice, and other drugs. Mentha piperita is aromatic, pungent and dispersive, sweating and exhausting, so it is not suitable for those who are weak and sweaty. If you need to use the drug is recommended to be used under the guidance of a traditional Chinese medicine practitioner, unauthorized use of drugs may cause adverse consequences.