If you want to prevent nosebleeds, you need to do the following: 1. Patients must protect the nose in life to avoid external impact, resulting in the formation of nasal bone fractures. 2. Patients must maintain the elasticity of the nasal mucosa, it is recommended to eat more fresh vegetables and fruits, which can be supplemented with vitamin E, which can play a role in softening the mucosa and blood vessels and can effectively prevent nosebleeds. 3. The patient must pay attention to the moisturizing of the nasal mucosa, you can locally spray with physiological sea saline or compound mint brain nasal drops to improve the dryness of the nasal cavity. 4, the patient must develop good habits, do not dig the nostrils with your hands, after active treatment can effectively prevent the appearance of nosebleeds, when necessary, the patient needs to go to the hospital for further consultation.