Allergic rhinitis has become a global problem affecting human health, with a global prevalence of about 10%-40%. Asthma is a common complication of allergic rhinitis, and the two often coexist and have a close relationship, with asthma occurring in about 20%-40% of patients with allergic rhinitis, compared to only 2%-5% of the general population. The incidence is about 5%-20%. Allergic rhinitis is a high-risk factor for asthma and increases the risk of asthma by 3 times. Although allergic rhinitis affects patients’ daily life, work quality and sleep, it does not cause death, so many patients consider allergic rhinitis a minor disease and do not actively treat it. Therefore, it is currently believed that allergic rhinitis and asthma are (same airway) allergic reactions occurring in different parts of the respiratory tract (same disease), which should attract the attention of doctors in otorhinolaryngology, pediatrics and respiratory departments, update their concepts and knowledge, clarify the relationship between allergic rhinitis and asthma, emphasize the impact of allergic rhinitis on asthma, and make More patients with allergic rhinitis and asthma have a far-reaching impact on early treatment and prevention of complications.