Pharyngitis is a diffuse inflammation of the pharyngeal mucosa that triggers white foamy sputum, which needs to be treated by the use of mucus stimulants, which facilitates the expulsion of phlegm accumulated in the pharyngeal cavity. 1. Pharyngitis can be characterized by a foreign body sensation in the pharynx, itching, irritating cough, and increased secretions, most of which are produced as white foamy phlegm. 2. Pharyngitis can be improved by using heat-clearing and detoxifying proprietary Chinese medicines to improve the inflammation of the pharyngeal mucosa, such as Blue Baicalin Oral Liquid and Pudilan Anti-inflammatory Oral Liquid, etc. At the same time, the use of tablets can be combined to improve the pharyngeal sensation of foreign body and phlegm, such as clearing pharyngeal pills. 3. If there is a lot of foamy phlegm in the pharynx and it is difficult to cough it up, you can use drugs to promote the excretion of mucus, such as eucalyptus-pinocampus enteric soft capsule and carboxymetholestane tablets. During the treatment, you can drink more water as appropriate to be able to clean the mucus secretion in the pharynx. Pharyngitis with white foamy sputum, it is recommended to consult the otorhinolaryngology department in a timely manner, and follow the doctor’s instructions for medication.