There is always phlegm sticking in the throat, which means that the throat secretions are much and sticky. It is common in acute and chronic respiratory tract infections, chronic pharyngitis, pharyngeal tumors and other diseases. 1. Acute and chronic respiratory tract infections: such as rhinitis sinusitis caused by nasal discharge, adenoid hypertrophy, acute and chronic tonsillitis caused by increased throat secretions, bronchitis pneumonia and other phlegm caused by coughing, etc., can be phlegm sticking to the throat, it is recommended to consult a doctor as soon as possible to follow the doctor’s instructions according to the type of infection and the site of targeted treatment. 2. Chronic pharyngitis: secretion backflow to the pharynx caused by upper airway coughing syndrome, there is secretion sticking in the throat; reflux pharyngitis, gastric reflux to the pharynx, stimulate the mucous membrane mucous glands to increase secretion, and mucous phlegm appears. 3. Pharyngeal tumor: such as tonsil cancer, pharyngeal papilloma, laryngopharyngeal swelling and other diseases, which can also lead to the symptom of phlegm sticking in the throat. For this kind of symptom, it should be treated by surgery in time. The above symptoms may also be caused by prolonged uvula, etc. It is recommended to consult a doctor to confirm the diagnosis and follow the doctor’s instructions for treatment.