Blood in the nose is a common clinical phenomenon in otolaryngology and can be caused by a number of reasons. When this symptom appears, you need to go to ENT department promptly, at least need to check electronic rhinoscopy. According to different conditions, choose the corresponding treatment: i. The most common nasal mucosa congestion and erosion, you should pay attention to a light diet, avoid smoking, alcohol and strenuous activities, and you can apply ointment appropriately to promote mucosal recovery. Second, chronic sinusitis, fungal sinusitis, or bleeding necrotic polyps require CT scan, followed by nasal endoscopic surgery. Third, malignant tumors of the nasal cavity, sinuses and nasopharynx, first biopsy pathology to confirm the diagnosis, and then choose a comprehensive treatment based on surgery and radiotherapy.