There are several causes of kata symptoms in the nasopharynx, which is the exudative phase of inflammation: 1. Chronic nasopharyngitis, nasopharyngitis is caused by chronic rhinitis or sinusitis, or chronic pharyngitis, which is caused by inflammatory waves, all secondary to upper respiratory tract infections. Local examination can see the mucous membrane of the nasopharynx is congested and edematous, with purulent exudate or dry crust formation, often manifested as pain as well as discomfort in the nasopharynx. Treatment, the first need to symptomatic anti-inflammatory treatment, oral cephalosporin anti-inflammatory drugs, such as cefixime with nebulized inhalation is more effective, about 1 week or so can be cured. 2, due to nasopharyngeal tumors, such as nasopharyngeal carcinoma or malignant lymphoma caused by nasopharyngeal exudate, usually pus and blood exudate. When examining the nasopharyngeal neoplasm or crater-like ulcerated surface can be seen, local pathology needs to be taken to clarify the typing first, and then radiotherapy or surgery can be carried out.