After nasopharyngoscopy, if abnormalities are found in the nasal cavity or nasopharynx, such as sinusitis, neoplastic organisms in the nasal cavity or nasopharynx, etc., further ct examination is needed. Nasopharyngoscopy belongs to the ENT outpatient routine examination, can check the nasopharyngeal and nasal cavity, such as mucosal congestion and edema, nasal cavity structural abnormalities, nasal cavity and nasopharyngeal new organisms, etc., as well as the situation of the sinus complex can be checked clearly. It is the main means of examination for the diagnosis of ENT diseases. Sinus ct is also a common but not routine ENT test. Only nasopharyngoscopy to find problems, such as nasal purulent secretion increased sinus ct can be done to understand the sinus lesions; nasal cavity and nasopharyngeal new organisms need to take the help of ct scanning check to see where the new organisms come from, the lesion range is how big, and the initial distinguish new organisms benign and malignant. Nasopharyngoscopy and ct are both means of examination, found that the problem needs to be timely to the hospital to let the doctor check, and then the doctor will be based on the patient’s specific situation to determine what test is better.