There is no simplest way to clear the lungs, which can be improved through diet, exercise and medication. 1. Diet: should be timely adjustment of dietary habits, you can moderate consumption of pears, loquat, etc., avoid spicy and stimulating food, to a certain extent, can clear the lungs. 2. Exercise: should develop good habits, appropriate sports, such as: jogging, walking, jumping rope, swimming, etc., to promote the body’s metabolism and circulation of blood, which is conducive to the lungs of the toxins better discharge. 3. Drugs: You can choose Chinese medicines such as loquat leaves, lily of the valley, maitong under the guidance of professional doctors, or take Chinese medicines such as Chuanbei loquat paste, blue scutellaria oral solution, lily of the valley solid gold tablets for treatment. Rash, itching, diarrhea, abdominal pain and nausea may occur after taking Chuanbei Pei Pa Koa Ointment. This medicine is sweet in taste so it is not recommended for diabetic patients. Mild diarrhea may occur after taking Blue Scutellaria Oral Liquid, which can usually be relieved on its own. The adverse reactions and contraindications of Lily Solid Gold Tablet are not clear. Specific improvement methods should be carried out under the guidance of a professional doctor’s diagnosis, so as to avoid adverse reactions and impact on health.