The common causes of enlarged turbinate are nasal inflammation, allergy, nasal septum deviation after turbinate compensatory hyperplasia and other factors, patients with enlarged turbinate can lead to nasal congestion, snoring, runny nose and other symptoms, it is recommended that early medical treatment, to avoid delays in the condition. 1. Nasal inflammation: acute and chronic rhinitis and sinusitis as well as allergic rhinitis can lead to enlarged nasal turbinates due to inflammation stimulation, because when bacteria or viruses stimulate the capillaries of nasal mucosa, it will lead to the expansion of capillaries, which will easily lead to enlarged nasal turbinates. 2. Allergy: allergic substances stimulate the nasal mucosa can also cause turbinate enlargement, which is common in patients with allergic rhinitis, common allergic substances such as animal hair, animal dander, dust, pollen, mites, artemisia and so on. 3. Turbinate compensatory hyperplasia after nasal septum deviation: the body is to maintain the balance of the left and right nasal ventilation, when the nasal septum is deviated to one side, the mucous membrane of the opposite side of the nasal cavity compensatory hyperplasia, causing hypertrophy of the nasal turbinate. The specific cause of the disease should be clarified after examination by a specialist.