The invention discloses a kit for extracting serum
viral nucleic acid through a biological nano
magnetic bead method. The kit comprises a box body, a third drawer, a second drawer, a first drawer, a
test tube cabinet, a cooling device, a lifting device and a display screen controller, wherein the bottom of the box body is provided with telescopic rods, anti-slip blocks and a level
vial, and the top of the box body is provided with a slide way and a cover plate; the third drawer is arranged at the bottom of the box body, and comprises a magnetic plate and test tubes; the second drawer is arranged above the third drawer; the first drawer is arranged above the second drawer; the
test tube cabinet is arranged above the first drawer, and limiting blocks are arranged at the side face of the topof the
test tube cabinet and located under the cover plate; the cooling device is arranged above the third drawer, and comprises a refrigerator, air inlet ports, the test tube cabinet and an air supply
pipe; the lifting device is arranged above the first drawer, and comprises rails, sliding blocks, a supporting plate, a
reagent bottle fixing device, a supporting frame and a test
tube placement plate; the display screen controller is arranged at the right outer side wall of the box body.