This kit uses a membrane-based selective adsorption method to achieve rapid purification of virus DNA/RNA. It is suitable for extracting high-purity viral DNA/RNA from 200 ul of samples (including virus preservation solution, plasma, serum, ascites, culture cell supernatant,cerebrospinal fluid, urine, etc,) for various molecular biology experiments, such as PCR/RT-PCR, LAMP, CRISPR, sequencing, in vitro transcription and translation, CDNA libraryconstruction,etc.