There is always white mucus in the throat that can not be spit out may be caused by chronic pharyngitis, reflux pharyngitis, chronic bronchitis and other diseases. It is recommended to go to the hospital for treatment. 1. Chronic pharyngitis: chronic pharyngitis may be caused by acute pharyngitis, excessive smoking and drinking, respiratory tract inflammation and infection. Patients will appear in the throat foreign body sensation, cough, with no sputum or cough granular root powder-like secretions, so the patient’s throat will always have a white mucus spit can not be clean feeling. 2. Reflux laryngitis: Reflux laryngitis is a chronic inflammatory disease caused by the reflux of stomach acid and pepsin into the throat. Patients will not only have frequent throat clearing, dry cough, foreign body sensation, throat secretions, secretions are mostly white mucus, so patients will show that there is always white mucus in the throat can not be spit out. 3. Chronic bronchitis: the cause of chronic bronchitis is not yet clear, and is considered to be related to smoking, exposure to chemicals or occupational dust, immune dysfunction and other factors. Patients will have cough, cough white sputum, wheezing and other symptoms. If the patient will often have the symptom of always have white mucus in the throat can not be spit out. It is recommended that patients who have white mucus in their throat need to consult a doctor in a timely manner to identify the cause of the disease under the guidance of the doctor for standardized treatment.