Nasopharyngeal cancer may be misdiagnosed as chronic nasopharyngitis. Nasopharyngeal cancer and chronic nasopharyngitis can both present with clinical manifestations such as nasopharyngeal discomfort, foreign body sensation, runny nose, which may also be accompanied by blood, headache, tinnitus, etc. Therefore, nasopharyngeal cancer may be misdiagnosed as chronic nasopharyngitis when the patient presents with frequent runny nose, sneezing, headache, or when the nasopharyngeal cancer patient who has a history of chronic nasopharyngitis presents with the above symptoms. Chronic nasopharyngitis is a kind of inflammation that occurs in nasal mucosa, while nasopharyngeal cancer is a malignant tumor that develops at the top of nasopharyngeal cavity. When patients have the above symptoms, they need to go to the hospital to have a detailed checkup under the guidance of a professional doctor, so as to avoid misdiagnosis and delay of follow-up treatment.