Bacterial bronchitis is not a particularly serious disease compared to pneumonia. Bronchitis can be divided into acute bronchitis and chronic bronchitis, bacterial infection caused by acute bronchitis as long as the active antibacterial treatment, can be cured in about a week, as long as the active treatment, it is easy to cure, usually use cephalosporin, penicillin antibiotics for treatment. If acute bronchitis is left untreated or delayed, it may develop into chronic bronchitis or pneumonia. Chronic bronchitis is generally not easy to cure, the onset of the disease lasts for three months each year for two or more years, the attack needs to be symptomatic treatment, but also need to stop cough, phlegm, asthma treatment.