Phlegm in the throat can not be coughed up and swallowed, seen in allergic pharyngolaryngitis, chronic simple rhinitis, reflux pharyngitis, etc., need to be treated for different diseases. 1. Allergic pharyngolaryngitis: allergens stimulate the throat, which can lead to allergies in the throat, resulting in inflammatory reactions of the mucous membrane of the throat. Can take cetirizine and other anti-allergy drugs, with compound borax gargle, compound chlorhexidine gargle and other gargles. 2 chronic simple rhinitis: nasal secretions from the back of the nostrils into the pharynx caused by irritation, you can use saline nasal wash to reduce the secretion downstream. The use of hormonal nasal sprays, such as budesonide nasal spray, etc., to relieve inflammation and reduce the production of nasal secretions. 3. Reflux pharyngitis: stomach contents are acidic and flow back into the throat causing irritation. Omeprazole can be taken to inhibit the secretion of gastric acid, mosapride and other gastric stimulants to reduce reflux. At the same time, you can use furacilin gargle to clean up the mouth. It is recommended that the patient consult a doctor for examination in a timely manner, and standardize the use of drugs and treatment after a clear diagnosis.