Patients with bronchitis often show increased and thickened texture in both lungs on radiographs, and usually do not show infectious lung manifestations. Patients with bronchitis usually have clinical symptoms such as coughing, coughing and shortness of breath, and usually choose to take medication at home. The doctor can make a diagnosis of bronchitis through the patient’s medical history, physical examination, routine blood tests, and chest x-ray. Chest X-ray is necessary because bronchitis is similar to other respiratory diseases in that it has symptoms of coughing and coughing with no specific symptoms, but it can be differentiated from other lung diseases by chest X-ray.