Severe bronchitis patients infusion is useful, the premise is to choose targeted drugs, general bronchitis are bacterial and viral infections, but also may be infected with other pathogenic bacteria, through the use of pathogenic bacteria-specific drugs to actively control the infection, the symptoms will be effectively relieved. However, the principle of treatment for bronchitis patients is to be able to take orally as much as possible, if the oral does not relieve the choice of infusion, frequent infusion of blood vessels on the human body has damage to their own body immunity also has a certain impact, and will lead to an increase in drug-resistant flora, the emergence of a special bacterial infections will also increase. Therefore, it is necessary to rationalize the infusion, only the appropriate indications before choosing the infusion treatment.