Nose bleeding all the time can be seen in dry nasal mucosa, rhinitis sinusitis, nasal septum deviation, nasal tumors and other nasal causes, but also can be seen in high blood pressure, leukemia, coagulation factor deficiency and other systemic diseases. 1. Nasal mucous membrane dryness: dry environment or working in dusty environment will lead to dry nasal mucous membrane, picking the nose and other bad habits will lead to repeated nose bleeding. 2. Rhinitis and sinusitis: congestion and edema of the nasal mucosa can lead to localized mucosal erosion, resulting in nasal bleeding. 3. Deviated nasal septum: the mucous membrane of the nasal septum on the deviated side becomes thin, and the impact of airflow leads to local mucous membrane erosion, causing nasal bleeding, 4. Nasal tumor: Nasal hemangioma, hemorrhagic necrotic polyp, nasopharyngeal fibrous hemangioma and malignant tumor of nasal cavity can cause nasal bleeding. 5. Systemic diseases: hypertension leads to blood pressure fluctuations, which can cause rupture of blood vessels in the nasal cavity bleeding, leukemia coagulation factor deficiency and other systemic diseases, hepatic and renal diseases caused by coagulation dysfunction, which can easily lead to nasal mucosal bleeding. For the nose is always bleeding, need to timely otolaryngology consultation, can be through the nasal endoscopy, nasal CT scan, blood routine, coagulation factor test, clear specific causes of nasal bleeding. Standardized treatment for the cause of the disease.