Checking whether a child has rhinitis includes the following: 1. Symptoms, if there are repeated sneezing, runny nose, nasal discomfort, repeated picking nose, rubbing nose and other performance may have rhinitis, some patients have repeated nasal bleeding, may also have rhinitis. In addition, to determine whether there is open-mouth breathing when sleeping, sleep, there is no nose inside the air, the sound is particularly coarse, etc., is also one of the signs to determine rhinitis. 2, physical examination, physical examination can be seen in the nasal cavity blockage performance, nasal airflow out of the uneven is also one of the symptoms, can also see the nasal cavity mucosa congestion, edema and nasal cavity has a large amount of secretions, etc., is also the performance of rhinitis. 3. Auxiliary examination, you can do nasal endoscopy, also can do sinus CT examination, etc., is very helpful to determine rhinitis. If CT examination reveals enlarged turbinates, bony hyperplasia of turbinates, and soft tissue shadows in the sinuses, etc., all of these are manifestations of rhinitis.