Take a small amount of mint with boiling water, and then cover the lid to fully soak and drink, mint bubble water can help evacuate the wind heat, dredge the liver to move qi, clear the head and eyes. Peppermint is pungent, cool nature of a drug, belonging to the lung meridian and liver meridian, has a certain volatility, boiling water after brewing need to cover the lid, to avoid volatilization of the active ingredients, affecting the effect of the bubble water, and the bubble water time should not be too long. Peppermint infusion can help evacuate wind-heat, improve wind-heat invasion caused by headache, fever and other symptoms. Peppermint can also help to relieve liver qi, improve liver qi discomfort caused by chest tightness and other conditions. Mentha piperita is aromatic and pungent, sweating and exhausting, so it should not be used by those who are weak and sweaty, and the adverse reactions and contraindications are not exact, so it needs to be used under the guidance of a doctor to identify the symptoms.