Cough with white phlegm can be caused by a variety of etiologic factors, and it is necessary to choose the appropriate medication for the cause. Common causes include acute pharyngitis, bronchitis, and chronic obstructive pulmonary disease. Common causes include acute pharyngitis, bronchitis, chronic obstructive pulmonary disease, etc. The available medications include antibiotics, phlegm removers, bronchodilators, etc. 1. Acute pharyngitis: it belongs to upper respiratory tract infection, which can be caused by viruses, bacteria and other pathogens, with common symptoms such as fever, cough, sore throat, coughing up white sputum, etc. For bacterial infections, amoxicillin and cefuroxime can be given to fight infections, while aminobromine hydrochloride and acetylcysteine can be given to resolve phlegm, and compound honeysuckle and blue scutellaria can also be used to clear away heat and detoxify the toxin. 2. Bronchitis: often in the fall and winter season, caused by pathogenic microorganisms, physical or chemical stimulation of acute and chronic inflammation of the bronchial mucosa, clinical manifestations of cough, cough white sputum, wheezing, etc., severe cough can be used to dextromethorphan and other cough suppressants, white sputum can be used to aminobromine hydrochloride sputum, clear bacterial infection can be used to cephalosporin, azithromycin, etc., anti-infective. 3. Chronic obstructive pulmonary disease (COPD): there is often a history of long-term smoking, manifested by chronic cough, cough white sputum, shortness of breath after activity, etc., the lung function can be seen with small airway obstruction airflow limitation, acute exacerbation of infection can be used to levofloxacin, cephalexin and other anti-infective, and at the same time to give bronchodilator such as terbutaline, isoproterenol and other bronchodilators. When coughing white sputum, should be consulted in the hospital, under the guidance of professional doctors standardized treatment, drugs should be applied under the guidance of doctors.