Children’s allergic rhinitis is mainly caused by animal hair, pollen, dust mites and other reasons, with nasal itching, sneezing, nasal congestion and other main symptoms. 1. Nasal itching and sneezing: localized itching occurs after the sensory nerve endings of the nasal mucosa are stimulated. Reflex action of sneezing also occurs. It is a paroxysmal attack, ranging from a few, a dozen or dozens. 2. Nasal discharge, nasal congestion: inflammation will stimulate the nasal mucosa, hypersecretion, the emergence of a large amount of watery nasal discharge, nasal congestion of varying degrees of severity. 3. Decreased sense of smell: Due to the obvious edema of nasal mucosa, some children may have decreased sense of smell. When the above symptoms occur, it is recommended to consult a doctor in time, follow the doctor’s instructions to improve the nasopharyngoscopy, allergen prick test and other tests, with the help of the doctor to clarify the cause, and to carry out targeted treatment or therapy.