The throat is always uh-huh may be related to chronic pharyngitis, reflux pharyngitis, post-nasal drip syndrome and so on. 1. Chronic pharyngitis: generally refers to chronic inflammation of the pharyngeal mucosa, submucosa and lymphatic tissue, manifested as a foreign body sensation in the pharynx, pharyngeal dryness, secretions are not easy to discharge, pharyngeal pain and other symptoms, which always appear throat mmm clearing phenomenon. 2. Reflux pharyngitis: it is usually characterized by frequent mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm 3. Postnasal drip syndrome: rhinitis, sinusitis and other diseases easily caused by increased nasal secretions, backflow into the throat resulting in frequent throat clearing, issued by the throat is always mmmmm sound. The throat is always hmmmm, need to go to the hospital in time to check, clear diagnosis, in the medical advice under the guidance of standardized treatment.