There is no best and fastest way to get rid of phlegm. Excessive phlegm may be caused by chronic bronchitis, bronchial dilatation, lung abscess, etc., and needs to be treated with medication, physical expectoration, and surgical treatment according to the different causes. 1. Chronic bronchitis: patients with chronic bronchitis will cough up plasma or foamy sputum, generally patients will increase sputum in the morning, some patients will also be accompanied by cough, shortness of breath and other manifestations. For chronic bronchitis caused by phlegm, you can follow the doctor’s instructions with acetylcysteine and other expectorants. For acute exacerbation of chronic bronchitis, antibiotics such as amoxicillin can be prescribed. 2. Bronchial dilatation: bronchial dilatation will have chronic cough, cough a lot of pus sputum, hemoptysis and other manifestations. For patients coughing up sputum, you can follow the doctor’s instructions with expectorant drugs, such as aminobromine hydrochloride, myrtle oil, and so on. Some patients can also be prescribed with gentamicin, amikacin and other antibiotics nebulizer treatment. Patients with a lot of phlegm can also take extracorporeal drainage, turn over and pat the back to promote the discharge of phlegm. 3. Lung abscess: the progress of lung abscess will appear increased sputum, sputum with blood, cough and other manifestations. If it is caused by Staphylococcus aureus infection, you can use antibiotics such as cefazolin and cefaclor as prescribed by the doctor. If the patient is ineffective with medication, lung segmental resection or lobectomy is needed. Patients with excessive sputum, but also consider the upper respiratory tract infections, pneumonia and other diseases caused, it is recommended that patients with excessive sputum should consult a doctor in a timely manner to check, the doctor will be based on the cause of the disease to take appropriate measures to treat.