Allergic rhinitis does not have a clear time of onset, as long as contact with allergens will immediately allergic reaction, non-stop nasal congestion, sneezing, runny nose, relatively spring and autumn will be more obvious, because the spring pollen, willow is more, autumn autumn wind is more and more dust mites, dust, easy to induce allergic rhinitis. However, the onset of allergic rhinitis varies from person to person according to the patient’s constitution, and after the onset of allergic rhinitis, medication should be actively applied to control it. The common clinical drugs are budesonide nasal spray, trimethoprim nasal spray, oral medications including pyrimethamine potassium tablets or ibastine tablets, the symptoms should be significantly improved after a week of medication, life must be more exercise to improve resistance.