Allergic rhinitis may be related to genetic factors, environmental factors, allergies, etc. It is recommended to consult a doctor for timely examination. 1. Genetic factors: the occurrence of allergic rhinitis has a certain relationship with heredity, in which it is the highest incidence in the allergic family genetic history, and this heredity does not mean that the heredity of allergic rhinitis, but the heredity of allergic body. 2. Environmental factors: allergic rhinitis can be affected by environmental factors, when it is stimulated by the allergens in the environment, it can cause the onset of allergic rhinitis, such as seasonal allergic rhinitis is susceptible to a variety of pollen stimulation and cause the onset of allergic rhinitis. 3. Allergic body: for the congenital allergic body people, it is easy to become the danger of allergic rhinitis, because of their own resistance and immunity are relatively weak, so in the dust mite, artemisia, pollen and other allergens stimulation, it is very easy to induce the appearance of this nasal disease. Allergic rhinitis patients, try not to go to dusty places, do not contact with allergens, etc. It is recommended that patients seek medical attention in a timely manner to identify the cause of the disease, by the doctor to clarify the cause of the disease, give targeted treatment.