The impact of swelling of the nasal mucosa on the patient cannot be underestimated, as the nasal cavity is uncomfortable and can affect normal breathing. In order to get rid of the disease as soon as possible, it is necessary to actively go to the hospital for examination, the following is the introduction of the examination of nasal mucosa swelling. The laboratory examination must be based on the history and physical examination of the objective material for generalization and analysis, from which several diagnostic possibilities are proposed, and then further consideration of those laboratory tests to confirm the diagnosis. Basic examination: 1. Anterior rhinoscopy. 2.X-ray nasal anamnesis to clarify whether there is concurrent sinus infection. Further examination: 1.Smear of nasal secretion to detect pathogenic bacteria. 2.Bacterial culture of nasal secretions + drug sensitivity. 3.Virus examination if necessary, special culture, isolation and identification are needed.