Frequent smokers can use mulberry leaves, forsythia, Chuanbei and other drugs under the guidance of the doctor to drink water, smoking is harmful to the human body, food, tea, drugs can not completely play a role in clearing the lungs, it is recommended that it is best to quit smoking. Mulberry leaves can evacuate wind-heat, clear the lungs and moisten the dryness; forsythia can clear heat and detoxification (clear the body of heat and toxicity), eliminate swelling and knots, and evacuate wind-heat; Chuanbei can clear heat and moisten the lungs (clear the heat in order to moisturize the lungs), and transform phlegm to stop coughing; Baibei can moisten the lungs and lower the qi (moisturize the lungs, and make the upward lung qi decline) to stop coughing; Huandonghua can moisturize the lungs and lower the qi and relieve coughing and transforming phlegm; Bitter Almonds can lower qi to relieve coughing and calm the wheezing (to stop coughing, and calm down the wheezing). Smoking is more harmful to the body, if there is a cough, cough phlegm and other symptoms, it is best to go to the hospital in the Chinese medicine under the diagnosis of treatment, at the same time to quit smoking can be.