Most of the patients who have nosebleeds without any signs mainly consider that they are caused by dryness of the nasal mucosa and rupture of the nasal mucosa. Normal bleeding is not particularly large, patients can stop bleeding by themselves after pinching the nose for about five minutes, which is related to the patient’s working and living environment is too dry, or the nasal mucous membrane secretion function decreases. Patients can spray with physiological sea saline or compound menthol nasal drops to relieve the dryness of the nasal cavity. It is also possible that the patient’s own blood vessel elasticity is not good, which is related to the patient’s aging. Sometimes the patient’s blood pressure fluctuation is particularly large, easy to lead to the nasal cavity of the blood vessel rupture, such a situation patients with nosebleeds are particularly large, you need to go to the hospital otorhinolaryngology, in the nasal endoscopy to actively look for bleeding blood vessels, found after the active treatment of hemostasis.