Nasal numbness can not be judged by what disease signs, nasal numbness may be nasal polyps, atrophic rhinitis, intracranial tumors and other causes. 1. Nasal polyps: when nasal polyps grow, covering or pressing the sensory nerves in the nasal cavity, the phenomenon of nasal numbness will also occur. 2. Atrophic rhinitis: atrophy of nasal mucosa and decrease of nerve sensitivity may occur in this disease, which may lead to numbness and discomfort in the nasal cavity. 3. Intracranial tumor: If there is an intracranial tumor, which violates or presses the sensory nerve center, the phenomenon of nasal numbness may occur. Nasal numbness patients should go to the hospital in time, to clarify the cause of the disease and treatment, so as not to delay the condition.