Lung infection with sputum can be relieved by general treatment (such as smoking cessation, dietary modification, etc.), medication (such as the use of drugs such as Ambroxol), physical therapy (back patting, coughing, etc.) and so on. 1. General treatment: When lung infection with phlegm occurs, patients need to pay attention to rest, can choose semi-recumbent position is conducive to coughing and expectoration. Quit smoking and drinking, eat a light diet, avoid eating spicy and cold food, which can stimulate the mucous membrane of the trachea to secrete a large amount of mucus and aggravate the condition, and maintain a daily intake of water of about 2,500 to 3,000 ml. 2. Drug therapy: at the onset of the disease, you can follow the doctor’s instructions to take oral aminobromine oral solution, compound licorice oral solution, strong loquat lozenges, or intra-oral spraying into the albuterol sulfate aerosol, ipratropium bromide aerosol and other drugs to dilute sputum, relieve bronchospasm, to achieve the effect of coughing phlegm, and at the same time with the anti-inflammatory and anti-infective drugs such as Amoxicillin capsules, usually can alleviate the symptoms of phlegm of the lung infections. 3. Physical therapy: regular turning and patting the back, and suctioning if necessary, so that the phlegm is discharged. The most important thing to remember is to seek medical advice in a timely manner, and actively treat the condition under the guidance of the doctor to avoid delay.