In life, the patient has a lot of phlegm and nasal discharge, which is mainly considered chronic nasopharyngitis. Chronic nasopharyngitis is very common in the clinic, the main reasons include the following four points: First, patients with acute nasopharyngitis treatment is not complete, thus transforming into chronic nasopharyngitis; Second, the main consideration of chronic inflammatory stimulation of the upper respiratory tract, such as patients with sinusitis, nasal reflux, or polyps in the nasal cavity, will also stimulate the mucous membrane of the nasopharynx; Third, patients may often smoke a lot The company’s main business is to provide a wide range of products and services to its customers.