At present, there is no specific and effective antiviral therapy.In this study, an open, prospective/retrospective, randomized controlled cohort study was designed to compare the efficacy of two therapeutic schemes(abidol hydrochloride,abidol hydrochloride combined with interferon atomization)in the treatment of 2019-nCoV viral pneumonia, so as to provide reliable evidence-based medicine for the treatment of viral pneumonia caused by 2019-nCoV.