Pneumonia can occur if the bronchitis is better controlled, or if the lesion continues to progress, or if the overall level of infection is severe. Common clinical symptoms include cough, sputum, wheezing, and in severe cases, dyspnea. For some patients, clinical symptoms of hemoptysis can occur, and the specific clinical manifestations need to be analyzed in the context of the patient’s overall status. Pneumonia in general requires active interventional treatment to better control the clinical symptoms. Therefore, when the corresponding symptoms of cough, sputum, wheezing and fever appear, a comprehensive assessment and judgment is needed to clarify whether there is a combination of intrapulmonary infection.