Itchy nose bleeding may be caused by digging the nostrils leading to rupture and bleeding of the nasal mucosa and capillary dilation leading to increased bleeding, and damage to the nasal mucosa caused by hard and frequent nose digging should be avoided. In addition, it may also be related to deviated nasal septum, allergic rhinitis and nasal vestibular eczema: 1. Deviated nasal septum: There may be nasal dysfunction, nasal congestion, nasal itching and nasal bleeding with headache and snoring. It is recommended to go to the hospital for examination to confirm the cause and perform submucosal correction of the nasal septum for treatment. 2. Allergic rhinitis: symptoms such as itchy nose, sneezing and clear water nasal discharge due to contact with allergens, inflammation leading to increased nasal secretions, which can induce local erosion and ulceration of the nasal mucosa, exposing the submucosal capillaries, resulting in nasal bleeding . Allergic rhinitis also tends to cause the rupture of blood vessels in the nasal septum Ri area, and there will be a lot of bleeding. It can be treated with oral antihistamine medication under the guidance of a doctor, while applying compound peppermint oil nasal drops to moisten the nasal cavity and promote wound healing at the bleeding area; 3. Nasal vestibular eczema: there can be local oozing, itching, burning sensation with erosion, rupture and bleeding symptoms, the bleeding amount is usually not much, and can be treated with local application of corticosteroid preparations; 4. system diseases and paranoia, etc., nose itching and bleeding symptoms may also occur, and should be promptly examined by a doctor and treated for the cause.