Mint can be used to treat wind-heat colds, sore throats, mouth and tongue sores, and itchy rashes. Mentha piperita is a wind-heat dispersing traditional Chinese medicine, which is the above-ground part of Mentha piperita, family Labiatae. It is pungent in flavor, cool in nature, and belongs to the lung and liver meridians. It has the efficacy of dispersing wind-heat, clearing the head and eyes, inducing sore throat, penetrating rashes, and dispersing the liver and promoting the flow of qi. Mentha piperita is used to treat wind-heat colds or the first symptoms of warm diseases such as fever, slight wind-cold, headache, etc. It is good at evacuating wind-heat from the upper jiao. It is good at dispersing wind-heat in the upper focus, and is used to treat wind-heat attack, headache and dizziness, throat unfavorable. It can be used to treat wind-heat binding the surface and impenetrable measles. It enters the liver meridian, and can be used to treat distension and pain in the chest and ribs, and menstrual irregularities. Adverse effects of Mentha piperita are not clear, because of its aromatic and pungent dispersal, sweating and exhaustion of qi, so it should not be used by those who are weak and sweaty. The drug is recommended to be used under the guidance of a professional physician, not blindly self-medication.