Ribavirin is an antiviral drug that can be nebulized for inhalation, but it is rarely used clinically. Because ribavirin do nebulization, for the patient’s disease treatment it poor effect, mainly for two points. 1, ribavirin through saline dilution after nebulization, for influenza may have a certain therapeutic effect, but the drug concentration and the treatment effect is much worse than the effect of injection application, not suitable for clinical popularity. 2, ribavirin has obvious side effects, can be amplified by nebulization. Like for pregnant women can lead to a series of adverse reactions such as malformation of the fetus. Clinically ribavirin as a commonly used drug for the treatment of respiratory viral infections, through intravenous infusion with phlegm fever clear, Xiyampin, for the treatment of viruses has a very good effect, can improve the patient’s physical immunity to cooperate with the treatment.