Getting up in the morning with blood in the nose may be caused by physiological factors such as environmental dryness; it may also be caused by dry rhinitis, acute and chronic rhinitis and sinusitis, nasopharyngeal cancer and other diseases. 1. Physiological factors: if the environment is dry, it may lead to dry nasal mucosa, so that the blood vessels in the nasal cavity rupture, appearing in the morning up with the symptom of blood in the nose. 2. Dry rhinitis: the nasal gland secretion is reduced, the nasal mucous membrane is dry, the local mucous membrane capillary rupture and bleeding, resulting in blood in the nose in the morning. 3. Acute and chronic rhinitis and sinusitis: congestion and edema of nasal mucosa and increased secretion can lead to local capillary expansion and even rupture and bleeding, resulting in blood in the nose in the morning. 4. Nasopharyngeal cancer: Early nasopharyngeal cancer may be accompanied by a small amount of bleeding symptoms, and there may be blood in the nose in the morning, and sometimes there is blood in the morning sniffing phenomenon. If there is blood in the nose in the morning, it is recommended to go to the hospital to find out the cause of the disease and receive treatment as early as possible after excluding physiological factors.