The appearance of more phlegm in the throat, and the phlegm is easily stuck in the area of the throat, which, clinically, is most often a symptom of upper respiratory tract infection. For example, acute pharyngitis, chronic pharyngitis acute attack. It can be relieved by symptomatic treatment and etiologic treatment. You can take some expectorant and phlegmatic drugs, such as clearing the lungs, resolving phlegm and relieving cough granules, carboxymetholestane oral solution, ambroxol syrup, and compound ambroxol oral solution. You can also choose budesonide nebulized solution, chymotrypsin nebulized inhalation treatment. For pathogens, antibiotics such as preferred penicillin, amoxicillin, clindamycin, and levofloxacin can be chosen if it is a bacterial infection.