White phlegm in the throat may be caused by chronic bronchitis, reflux pharyngitis, tuberculosis and so on. It is recommended that the patient go to the regular hospital in time, to clarify the cause of the targeted treatment. 1. Chronic bronchitis: may be stimulated with environmental factors, pathogenic microbial infections and other factors related to the patient’s main symptom is long-term repeated coughing, coughing up sputum, coughing up sputum is usually white mucus or plasma foam sputum, accompanied by wheezing, shortness of breath, and other symptoms. 2. Reflux pharyngitis: due to the stimulation of gastric acid, the patient’s mucosal secretions in the throat will increase, the patient consciously dry throat, itchy, coughing, phlegm in the throat, coughing, swallowing. Need to be combined with electronic laryngoscopy and other examinations, given to inhibit gastric acid and other symptomatic treatment. 3. Tuberculosis: the patient mainly coughs and coughs up phlegm, accompanied by weakness, low fever, night sweats (abnormal sweating after going to sleep, and the sweating stops after waking up) and other systemic symptoms, and there may be white phlegm in the throat. There are many other causes of white phlegm in the throat, such as pharyngitis, acute upper respiratory tract infection, acute bronchitis and so on. It is recommended that patients go to a regular hospital in time to determine the cause of the disease and then under the guidance of the doctor for reasonable treatment.