Phlegm in the throat cannot be spit out as much as possible is caused by chronic pharyngitis, bronchitis and acute pharyngitis, and needs to be treated according to different causes. 1. Chronic pharyngitis: chronic inflammation of the pharyngeal mucosa, submucosa and lymphatic tissues, patients can follow the doctor’s instructions to take oral aminoglutethimide, bromhexine, eucalyptus-pinocampus and other phlegm removing medications for treatment. 2. Bronchitis: Bronchitis caused by phlegm in the throat, you can take oral carboxymethyl stannum, acetylcysteine and other phlegm drugs as prescribed by the doctor for treatment, and if it is clear that the bacterial infection, you can take levofloxacin, moxifloxacin and other antibiotics for treatment. 3. Acute pharyngitis: Oral standard myrtle oil, oleander and other expectorant drugs for treatment. If there is mycoplasma infection, you can take azithromycin, roxithromycin and other antibiotics for treatment. The symptoms of phlegm in the throat, there may be rhinitis, upper airway cough syndrome, etc., should go to the hospital in a timely manner, after a clear diagnosis under the guidance of the doctor reasonable treatment, to avoid blind use of medication to cause adverse consequences.