The method of mint infusion is to take the appropriate amount of mint, brewed with boiling water, or boiled in water for 3-5 minutes and then taken, there is evacuation of wind-heat, rash, etc., but the active ingredients of a single medicine is limited, and can not be used as a substitute for medication. Mentha piperita, pungent in taste and cool in nature, belongs to lung and liver meridians, has the effects of clearing the head and eyes, penetrating rashes, evacuating wind-heat, moving qi to clear the liver, and facilitating the pharynx. It can be used for wind-heat attacking the eyes and eyes redness and excessive tearing, sores of the mouth and tongue, headache and dizziness, sore throat, and paralysis of the larynx (the pharynx is red, swollen, painful, or dry, and with a sense of foreign body, or itchy throat and discomfort and difficulty in swallowing) and other conditions. This product can also be used for wind-heat colds and flu, the first signs of warm diseases; liver depression and stagnation of qi (poor qi and blood transportation of the liver, emotional and mental depression), distension and stuffiness of the chest and hypochondrium (a collective term for the chest and the ribcage area); imperviousness to measles, and itching of rubella. It should not be used by those with body weakness and excessive sweating; adverse reactions are not known. Peppermint infusion will have a certain effect, but can not replace the use of drugs, if the body is not feeling well, it is recommended to go to the hospital, under the guidance of the doctor.