There are many causes of cough with phlegm, common such as viral colds, chronic bronchitis and tuberculosis. Different causes are treated differently, and there is no fastest western medicine. 1. Viral colds: its symptoms are mostly coughing with white sputum, no specific antiviral drugs, symptomatic treatment. When coughing with phlegm, you can give cough medicine such as compound licorice tablets, aminobromine, etc. for treatment. 2. Chronic bronchitis: it is a chronic non-specific inflammation of the trachea, bronchial mucosa and its surrounding tissues. Clinically, coughing and sputum are the main symptoms, and the sputum is mostly white sputum. You can use levofloxacin, roxithromycin, compound licorice combination and other drugs for treatment. 3. Tuberculosis: Tuberculosis is a chronic disease, its main symptom is coughing and coughing sputum, sputum is mostly white mucus sputum. Anti-tuberculosis drugs can be used including isoniazid, rifampicin and pyrazinamide. There are many reasons for coughing up sputum, so it is recommended to go to the hospital in time to get a clear picture of the cause of the disease so as not to delay treatment. The above drugs should be used in a standardized and rational way under the guidance of professional physicians and pharmacists.