Nasopharyngeal cancer has irregular time for the appearance of blood in the nose and throat, and it is usually paroxysmal. Some nasopharyngeal cancer patients may have the symptom of blood in the nose, which is mainly manifested as blood in the nasal mucus. Usually, this symptom will be recurrent and irregular, and it may persist for several days, or there may be no such symptom for several days, which is usually related to the patient’s condition and physical condition. Some nasopharyngeal cancer patients will have headache and vision loss. Some patients with early stage of nasopharyngeal cancer will have occasional blood in the nasal mucus, which is more common in the morning, but may also occur at other times of the day, and the frequency of the symptom of blood in the nasal mucus will increase with the progression of the disease. Blood in nasal mucus may also be caused by dryness of nasal cavity and rupture of nasal mucous membrane, and patients should consult doctor for examination in time.