When patients have sticky nasal discharge and blood in the nose, the reasons are as follows: 1. Inflammation: Inflammatory diseases of the nasal cavity and sinuses often result in a certain degree of congestion and dryness of the nasal mucosa, and the nasal tract may accumulate sticky inflammatory secretions, making some patients prone to obstruction of nasal breathing. 2. Behavioral factors: There may be repeated digging of the nostrils and rubbing of the nose. 3, other factors: some patients may be affected by nasal septum deviation factors, or the further appearance of polyps, papillomas and other benign and malignant growths in the nasal tract, also prone to the occurrence of this nasal blood symptoms, if necessary, further detailed examination is required.