Mentha piperita has the efficacy of dispersing wind-heat, clearing the head and eyes, clearing the pharynx, transmitting rashes, clearing the liver and promoting the flow of qi, and is often used in the treatment of wind-heat symptoms, impenetrable measles, itchy rashes, headache, redness of the eyes, and swelling of the throat. Mentha piperita is the dried above-ground part of Mentha piperita, family Labiatae, which is pungent and cool in nature, with the effects of dispersing wind-heat, dispelling wind and relieving itching (relieving itching by dispelling wind-evil invading the surface of the muscle), promoting toxin and penetrating rash, facilitating the pharynx, clearing the head and eyes, and dispersing the liver and promoting the circulation of qi. Mentha piperita is light and diffusive, and can be used to treat wind-heat binding the surface, impenetrable measles and itchy rubella. Mentha piperita decoction should be taken after the next, the adverse effects of this product is not clear. Mentha piperita is aromatic, pungent and dispersive, sweating and exhausting, so it should not be used by those who are weak and sweat a lot. Itchy skin is recommended to go to the hospital in a timely manner, under the guidance of a professional physician to standardize the use of peppermint and other traditional Chinese medicine for treatment.