The fundamental reason for the bleeding of the right nose is the rupture of the blood vessels of the mucosa of the right nasal cavity, and the predisposing factors may be related to trauma, stimulation of environmental factors, abnormalities of the anatomical structure of the nasal cavity, and diseases of the blood system. 1. Trauma: such as digging dry boogers, sharp object scratch, or fall, car accident and other cases are easy to cause nasal mucous membrane rupture and bleeding. 2. Stimulation of environmental factors: in hot weather or too cold, dry conditions, the nasal mucosa is easy to expand or more dry, fragile, nasal mucosal capillaries are more likely to rupture bleeding. 3. Nasal anatomical structure is abnormal: the common reason is the nasal septum deviation, if the nasal septum to the right side of the deviation, the right side of the septum mucous membrane tension will be higher, the surface mucous membrane blood vessels are more prone to rupture bleeding. Surgery can be considered to correct the deviated nasal septum cartilage in order to relieve the symptoms. 4. Blood system diseases: If the patient has thrombocytopenia, abnormal coagulation function, etc., it is also easy to cause nasal mucosal bleeding, and it is not easy to stop bleeding after bleeding, often repeated bleeding. Active treatment of the primary disease is needed to relieve nasal bleeding. Diseases such as nasal foreign bodies and nasal tumors can also cause symptoms of nasal bleeding. If the above symptoms are serious, patients should go to the hospital in time to find out the cause of the disease and under the guidance of the doctor for regular treatment.