Haemophilus influenzae pneumonia appears chest tightness, but no fever and no cough, you can choose antibiotic drugs according to the severity of the disease. 1. Mild infection: Haemophilus influenzae infection with chest tightness may be due to the spread of infection to the large lobes of the lungs, caused by dyspnea, as long as the infection is controlled, the symptoms of chest tightness will also be lifted. Mild infection can choose oral cephalosporin, clarithromycin and other macrolide antibiotics. 2. Severe infections: need to consider whether there are other pathogenic bacteria co-infection, severe infections recommended intravenous drugs, often need to be empirical multi-drug combination, such as the use of β-lactams (eg: piperacillin sulbactam) combined with fluoroquinolones (eg: levofloxacin) to control the infection, to alleviate the symptoms of chest tightness. It is recommended to consult a doctor in time, take sputum culture for several times and complete other laboratory tests to clarify the type of pathogen and other co-infections, and follow the doctor’s instructions for timely and reasonable standardized treatment.