Big data computer network security protection device

The invention relates to the field of computer network security protection, and particularly relates to a big data computer network security protection device. The device comprises an outer box body,wherein the middle end in the outer box body is provided with an inner box body; cavities are formed in the upper and lower ends of the left and right sides of the inner box body; a sliding grooves are formed in the cavities; a limiting rod is fixedly mounted in the sliding groove in the left end; a lead screw is mounted in the sliding groove in the right end through a bearing seat; sliding blocksare mounted on the lead screw and the limiting rod; connecting blocks are fixedly mounted on the inner sides of the sliding grooves; a placement plate is arranged between the connecting blocks; blowing covers are arranged at left and right ends of the top of the inner box body; a blowpipe is arranged on the upper side of each blowing cover; a blowing pump is arranged on each blowpipe; exhaust hoods are arranged at the left end and the right end of a partition plate at the lower end of the inner box body; an exhaust pipe is arranged on the lower side of each exhaust hood; an exhaust pump is fixedly mounted on each exhaust pipe; and filter screens are fixedly mounted at the left end and the right end of the lower side of the inner box body. According to the invention, the interior of the equipment can be effectively and conveniently ventilated, and the safe use of the equipment is ensured.