Elderly people in winter sleep found bleeding in the mouth and nose for the nasal blood flow into the pharynx, may be dry rhinitis, high blood pressure, nasal capillary hemangioma and other reasons. 1. Dry rhinitis: the old man in winter sleep found mouth and nose bleeding may be suffering from dry rhinitis, nasal mucosa thinning, dry, mucosal surface crusts, ulceration, coupled with the winter climate is relatively dry, it is easy to mouth and nose bleeding. 2. Hypertension: the elderly in the winter sleep found that the nose and mouth bleeding may also be suffering from hypertension and other diseases related to the elderly blood pressure fluctuations in winter, often due to the lack of timely adjustment of medication and the occurrence of vasodilatation, coupled with the part of the patient will be oral aspirin and other anticoagulant drugs side effects, sleep at night will be nose and mouth bleeding. 3. Nasal capillary hemangioma: the old man in winter sleep found that the nose and mouth bleeding may suffer from nasal capillary hemangioma, the elderly nasal mucosa atrophy, nasal capillaries can be protruding out of the mucous membrane, the formation of a tumor-like bulge, tube wall rupture can be the manifestation of nose and mouth bleeding. When the wall of the tube ruptures, there will be bleeding in the mouth and nose. When the elderly find bleeding in the mouth and nose in winter, it may be caused by other diseases, and it is recommended to go to the regular hospital in time to get a clear diagnosis.