Peppermint can treat itchy throat and cough caused by wind-heat. Peppermint belongs to the dispersing wind-heat medicine in the antidote medicine, with pungent flavor and cool nature. It enters the lung and liver meridians. It has the functions of dispersing wind-heat, clearing the head and eyes, clearing the pharynx and rashes (clearing the pharynx and rashes), and dispersing the liver and promoting the flow of qi. The main treatment for external wind-heat, headache, sore throat, food stagnation and gas distension, mouth sores, toothache, scabies, addictive rashes, the first signs of warm diseases, rubella itching, liver stagnation (liver qi and blood transportation is not smooth, depression), chest tightness and dystocia (dystocia area pain). Peppermint is aromatic, pungent and dispersing, sweating and consuming qi, therefore, it should not be used by those who are weak and sweaty. Precautions and adverse reactions are not clear. The wind-heat evil is easy to invade the upper part of the body, and the heat evil is easy to injure the fluids, resulting in itchy throat and cough. Mentha piperita has the effect of dispersing wind-heat and inducing diaphoresis, so it can be used to treat itchy pharynx and cough. Before using Chinese medicine, it is necessary to ask the doctor for identification and use it under the doctor’s guidance, so as to avoid improper use of medicine and delay of the condition.