Nasal discharge with blood in the nose for 6 years is not necessarily nasopharyngeal cancer, it should be diagnosed together with other symptoms, such as nasal congestion, headache, tinnitus, ear stuffiness and other symptoms, and then further MRI or CT of nasopharynx should be done, and only according to the biopsy result of nasoscopy, the diagnosis can be clear. The main clinical manifestation of nasopharyngeal cancer is that after inhaling nasal mucus, blood or blood clots may appear, but it is not certain that this symptom is caused by nasopharyngeal cancer, it may be due to the erosion of mucous membrane of nasal cavity, or the dryness of mucous membrane of nasal cavity as well as the recurrent infections caused by inflammation, which will lead to the exudation of small amount of blood, and the mixture of blood and nasal mucus will lead to the symptom of blood in the nasal mucus. Nasal mucous membrane dry dry or inflammation caused by repeated infection, mucous membrane and capillary breakage, resulting in a small amount of bleeding, blood in the snot. The appearance of blood in the nasal mucus, the patient does not need to be too afraid, it is recommended to go to the ear, nose and throat department of the regular hospital in a timely manner for consultation, nasal sinus examination to rule out malignant tumors.