Asthma and bronchitis are not the same condition, they belong to different kinds of diseases. Asthma is an airflow obstructive disease, mainly a variety of inflammatory cells, as well as inflammatory mediators, inflammatory factors involved in the airway chronic non-specific disease, when the airway is stimulated by allergens, the airway will undergo extensive spasms, recurrent episodes of wheezing, shortness of breath, or chest tightness or coughing as the only symptom. Bronchitis is mostly an acute and chronic inflammatory disease caused by bacterial, viral, mycoplasma and other infections or physicochemical factors, immune damage, etc. Patients often experience symptoms such as coughing, coughing up sputum, fever, etc., and some of the patients may be accompanied by symptoms of wheezing and dyspnea. If the patient suffers from asthma or bronchitis, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, improve the relevant examination, to clarify the cause of the disease, and give targeted treatment.