Mentha piperita is pungent in flavor and cool in nature; it belongs to the lung and liver meridians. Mentha piperita has the effect of dispersing wind-heat, clearing the head and eyes, clearing the throat and rashes (clearing the throat and rashes), and dispersing the liver and promoting the flow of qi. For wind-heat, red eyes, paralysis of the throat (pharynx red, swollen, painful, or dry, foreign body sensation, or throat itching discomfort, difficulty in swallowing), rubella, chest distension, dystocia (pain in the area of the coxae), easy to get angry, emotional disorders, bitter mouth, nerdiness (no appetite, reduced food intake), facial spots, weakness of the limbs, etc., has a therapeutic effect. Peppermint adverse reactions, contraindications are not yet clear, the drug should pay attention to the table deficiency sweating avoid taking. If there is a need for medication, it should be used under the guidance of a Chinese doctor, and should not be used blindly by oneself to avoid adverse consequences.