There are many causes of white sputum, such as chronic bronchitis, bronchial dilatation, chronic pharyngitis, etc., need to be given according to the specific causes of targeted medication. 1. Chronic bronchitis: patients due to smoking, occupational dust and chemical exposure, infection and other causes of chronic non-specific inflammation of the trachea, bronchial mucosa, usually white mucus or plasma foam sputum. Patients should strictly quit smoking, and most of them are combined with bacterial infections during the acute exacerbation, so antibiotics such as levofloxacin and roxithromycin can be used to control the infection, and aminoglutethimide can be given to resolve the sputum treatment. 2. Bronchial dilatation: abnormal and persistent dilatation of bronchial tubes caused by acute and chronic respiratory infections or bronchial obstruction. The main symptoms are persistent or recurrent cough and sputum, and the sputum can be mucous, mucopurulent or purulent. Antibiotics such as amoxicillin need to be given in combination with bacterial infection, and aminoglutethimide and acetylcysteine need to be given to reduce sputum. 3. Chronic pharyngitis: chronic pharyngitis caused by long-term smoking, excessive dust in the work-life environment, inflammation continues to stimulate the airway and laryngeal mucosa, secretion of excessive white sputum, you can use pharyngitis tablets, Yinhuang tablets and other symptomatic treatment. Others such as gastroesophageal reflux disease may also cause long-term cough, cough white sputum symptoms, need to consult a doctor in a timely manner to clarify the cause of the disease, to give targeted treatment, the above drugs need to be standardized under the guidance of a professional physician and pharmacist, reasonable application.