Nostril blood in the morning may be related to dryness, nasal lesions, tumors and other reasons. 1. Dryness: Nostril blood in the morning may be related to the indoor or climate is too dry, nasal mucosa dehydration after drying easy to appear blood. It is recommended to change the indoor dry environment, such as putting a humidifier, drink more water and so on. 2. Nasal lesions: Nasal blood in the morning may be related to nasal lesions, nasal septum deviation, nasal polyps, chronic rhinitis and other diseases, brought about by the impact of disease-related symptoms. 3. Tumor: Nostril blood in the morning may be associated with nasal cavity, nasopharynx or sinus tumor, affected by the tumor to produce inflammation and secretion of blood, need to be determined through rhinoscopy, nasopharyngoscopy and other tests. If you have blood in your nostrils in the morning and continue to be unrelieved, you can go to the regular hospital in time to get a clear diagnosis.