Nose often have blood, may be due to dry rhinitis, fungal sinusitis, nasopharyngeal malignant tumor and other diseases related. 1. Dry rhinitis: due to environmental factors stimulation or endocrine, vitamin deficiency and other reasons, the patient’s nasal mucosa is too dry, secretion construction, which can easily lead to damage to the nasal mucosa, resulting in the rupture of local blood vessels in the nasal mucosa bleeding, there will be a nose often have blood. 2. Fungal sinusitis: the typical clinical symptom of fungal sinusitis is blood in snot, which is mainly due to the destructive nature of fungal clumps, local nasal mucous membrane rupture and bleeding, which leads to the above symptoms, and requires surgical treatment. 3. Nasopharyngeal cancer: Typical clinical symptoms of nasopharyngeal cancer include blood in the nasal mucus, enlarged lymph nodes in the neck, nasal pain and so on. It needs to be combined with nasal endoscopy, biopsy of new organisms in nasopharynx for clarification and radiotherapy treatment. Frequent blood in the nose should be treated as early as possible, after the cause is clarified, and the treatment is guided by the doctor.