Usually always feel phlegm in the throat need to consider having an acute attack of chronic pharyngitis, due to long-term, chronic inflammatory reaction in the throat, with congestion and edema in the mucosa. Such a state continues to occur, especially when induced by factors such as cold, rain, staying up late to make the body’s immunity decline, invasion by viruses, bacteria and other pathogens will aggravate the symptoms of chronic inflammation, there is a large amount of inflammatory secretions exuded, so there will be a total feeling of phlegm in the throat performance. In addition, if there is acute pharyngitis, the mucous membrane of the throat is obviously congested and edematous when a large number of pathogens invade, and still secretes a large amount of secretions, and these secretions are discharged in the form of phlegm through coughing, so there is always a feeling of phlegm in the throat.