Symptoms of bleeding from nose blowing may be nasopharyngeal cancer; it may also be caused by dry weather, rhinitis and other non-cancer factors. Nasopharyngeal cancer is a common malignant tumor of the head and neck, mostly caused by EBV infection, heredity, environmental pollution and other factors. One of the symptoms of the disease is blood in the nasal mucus, along with hearing loss, neck lump, headache, nasal congestion and runny nose. In addition, non-cancer factors can also lead to the symptoms of bleeding nose blowing, such as dry weather leading to the rupture of capillaries in the nasal mucosa; rhinitis and so on. Therefore, patients should go to the hospital for standardized diagnosis after bleeding nose blowing, in order to clarify the cause of the disease and treat the symptoms as soon as possible.