Bronchiolitis changes is generally a term used to refer to chest imaging that often suggests inflammatory changes in the bronchial mucosa. Bronchiolitis is congestion and edema of the bronchial mucosa caused by pathogens (e.g., bacteria, viruses, mycoplasma, etc.), physical (e.g., airborne dust particles), chemical (e.g., nicotine, benzene) irritation, or allergy. It often occurs in the cold season or when there is a sudden change in climate. Clinical symptoms are mainly cough and sputum, which may be accompanied by fever. Lung imaging (chest X-ray, chest CT, etc.) may suggest bronchiolitis changes. If you have cough, cough sputum and other suspected symptoms of bronchitis, it is recommended to go to a regular hospital, do not self-medication, so as not to delay the condition.