Nosebleeds from picking the nose are mainly related to the damage of the nasal mucosa, and may also be related to rhinitis, nasal septum deviation, aplastic anemia, etc.. It is recommended that patients pay attention to nasal care and go to the ENT department as soon as possible when nosebleed occurs. 1. Nasal mucous membrane damage: If patients use force or repeatedly picking their noses, it will lead to nasal mucous membrane damage and induce nosebleed. 2. Rhinitis: dry rhinitis and atrophic rhinitis patients often due to dry mucous membrane, capillary fragility and nosebleed phenomenon. 3. Deviated nasal septum: because the mucous membrane of the raised area of the deviated septum is thin, the mucous membrane is eroded and the phenomenon of nose picking and nosebleeding occurs. 4. Aplastic anemia: the disease is related to congenital genetic factors, viral infections, exposure to ionizing radiation and so on. Patients often appear to pick their noses and have nosebleeds due to reduced platelet production. Caused by nose picking nosebleeds, may also be due to dry nasal mucosa, hemangioma, hemophilia and so on. It is recommended to take good care of the nasal cavity, do not picking the nose, pay attention to keep the nasal cavity hygiene and moist. If you pick your nose and get a nosebleed, it is recommended that you consult a doctor in time to get a clear cause of the disease and then follow the doctor’s instructions for treatment.