If there is sticky phlegm in the connection between nose and throat, it may be nasopharyngitis, chronic pharyngitis, pharyngeal tumor and other diseases. 1. Nasopharyngitis: Suffering from nasopharyngitis may lead to sticky phlegm at the connection between the nose and throat, and the patient’s nasopharynx will be dry, painful, itchy and other undesirable symptoms, which may also cause irritating cough, and part of the patient will suffer from breathlessness. 2. Chronic pharyngitis: chronic pharyngitis may also cause nose and throat connection with sticky phlegm can not be swallowed, the patient will have a dry cough, sore throat and other symptoms, swallowing action will be accompanied by a sense of foreign body, some patients will be dry vomiting, may also cause hoarse voice. 3. Pharyngeal tumor: pharyngeal tumor may also cause such adverse symptoms, may cause dysphagia, swallowing will have obvious obstruction, may be accompanied by frequent coughing, there will be coughing up blood, some patients will be hoarse. It is recommended to go to the hospital in time for a comprehensive examination to identify the cause of the disease, and then actively cooperate with the treatment under the guidance and advice of the doctor.