Allergic rhinitis and asthma are both respiratory allergic diseases, both can be single or concurrent, can be independent of the disease can also be transformed into each other, the long-term onset of chest tightness, dyspnea and other symptoms, acute attacks can be life-threatening in severe cases. Asthma that is, bronchial asthma, is a common complication of allergic rhinitis, commonly caused by allergens to the nasal mucosa to the bronchial mucosa allergic reaction occurs. Spring is the season of high incidence of bronchial asthma, can appear chest tightness, shortness of breath and other uncomfortable symptoms. Once a severe acute asthma attack occurs, clinical manifestations such as a sense of near death, breathlessness, or even inability to sleep and wheezing while sitting up in bed at night can occur. High degree of bronchospasm can lead to symptoms of hypoxia, which can even lead to sudden death in severe cases. Therefore, if patients suffer from allergic rhinitis and asthma, they should actively seek medical attention to clarify the diagnosis and condition, and then follow the doctor’s instructions to standardize the treatment.