Hello, nosebleeds are a common symptom of many diseases, mostly due to nasal trauma, inflammation, weakness of the mucous membrane in the nasal cavity and abnormalities of the nasal septum, and rarely nasal tumors and other factors, in addition to high blood pressure, heart disease, pulmonary edema, acute infectious diseases are also related to the blood disorders, such as hemophilia, leukemia, a variety of purpura, etc., and some drugs and chemicals poisoning are all related to the treatment. In addition to actively prevent rhinitis and sinusitis, avoid the bad habit of nose picking, usually avoid spicy stimulating food, eat more vegetables and fruits.