Mucous phlegm in the pharynx that cannot be spat out needs to be treated according to the specific cause, such as bronchitis, pharyngitis, rhinitis, etc. Different treatments, such as medication, are carried out according to different diseases. 1. Bronchitis: you can choose the drugs to dissolve phlegm, such as Ambroxol Hydrochloride and so on, and at the same time, drink more water. If it is caused by bacterial infection, it can be treated with antibiotics, such as cefdinir. 2. Pharyngitis: after the bacterial infection is clear, antibiotic drugs can be chosen, such as cefuroxime, etc., and at the same time with the compound borax solution gargle to improve the symptoms, daily drink more water, avoid spicy diet. 3. Rhinitis: Rhinitis will lead to increased nasal secretions, nasal discharge backflow will lead to phlegm phlegm sticky spit phenomenon. You can use saline to rinse the nasal cavity, along with mometasone nasal spray to improve the symptoms. There are many causes of phlegm in the pharynx, and it is recommended that you go to the hospital promptly after the symptoms appear, and actively treat them. The above drugs need to be taken under the guidance of a doctor to take standardized treatment, not to be used indiscriminately, so as not to lead to adverse consequences.