The invention discloses primers and probes for detecting influenza virus by rRT-PCR and a method for detecting the influenza virus. The primers and the probes comprise influenza A virus specificity primer and probe, two groups of novel influenza A H1N1 virus H1 specificity primers and probes, novel influenza A virus specificity primer and probe and the like, namely four kinds of total 12 oligonucleotide primer and probe sequences; and the invention simultaneously discloses treatment of a sample to be detected, a rRT-PCR reaction system and reaction condition, and result analysis. The inventioncan quickly and effectively determine influenza A virus, novel influenza A H1N1 virus and novel influenza A virus. The primers and the probes and the method have simple operation and convenient application, and provide feasible technical support for influenza epidemic early warning mechanisms in the fields such as clinical diagnosis, inspection and quarantine and the like.