Sore throat with phlegm, cough out, may be chronic pharyngitis, bronchitis and acute pharyngitis and other causes. 1. Chronic pharyngitis: acute pharyngitis repeated episodes or adverse physical and chemical factors stimulation caused by pharyngeal gland secretion viscous, pharyngeal foreign body sensation, secretion is not easy to cluck out, often dry or irritation. 2. Bronchitis: sore throat with phlegm coughing out may be caused by bronchitis, bronchial mucosa inflammation mucous gland hyperfunction, will lead to throat discomfort, phlegm thick and not easy to cough out symptoms. 3. Acute pharyngitis: Upper respiratory tract infections are mainly caused by rhinovirus, adenovirus, respiratory syncytial virus or bacterial infections, the patient will be manifested as a sore throat with phlegm coughing out, can also be accompanied by sneezing, nasal congestion, watery nasal discharge and other symptoms. If you have a sore throat with phlegm that you can’t cough up, it is recommended that you go to the hospital in time to have a systematic examination to determine the cause of the illness.