Armoured RNA and method for producing the same

The invention relates to an armored RNA and a preparation method of the armored RNA, which is characterized in that the armored RNA is a RNA enwrapped by MS2 envelope protein. The invention also discloses the preparation method of the armored RNA. The armored RNA contains a plurality of virus RNA segments, and the armored RNA contains the negative or positive strand virus RNA, which provides the nucleic acid detection of multiplex viruses with safe and stable standard materials and quality control materials.