[Analysis on allergen of clinical allergic rhinitis patients in north-west mountain area of Hubei Province]. 
To investigate the main inhaled allergens and the difference of that between city and rural suburbs in patients with allergic rhinitis in the mountain region of the northwest Hubei province and to provide epidemiological basis for prevention and treatment in the region.  Eight hundred and thirty-five cases who were diagnosed as allergic rhinitis with standardized allergens in Taihe Hospital of Hubei University of Medicine from Sep 2009 and Dec 2011 were studied.  The data of allergens and the distribution of the patients were recorded and analyzed.  χ2-test were used to analyze the data.  The top 7 of inhaled allergens were house dust mites (89.6%), dust mites (86.0%), tropical mites (56.9%), croton bug (18.8%), felon herb (8.1%), the cat hair (8.1%) and fine chain alternata bacteria (9.5%), Two main kinds of allergen in three different area are with no obvious difference (P > 0.05).  In northwest Hubei Province, the highest rate of inhaled allergens was dust mites, which are approximate in different age groups and different regions, especially in the city.