Dustproof computer case

The utility model discloses a dustproof computer case, and relates to the technical field of cases. The computer case comprises a case body and a dustproof frame, heat dissipation openings, a plurality of positioning grooves and a plurality of sliding grooves are formed in the front surface and the rear surface of the case body, an adsorption net and a filter net are installed in the dustproof frame, positioning blocks are connected into the positioning grooves, installation grooves are formed in the case body, springs are installed in the installation grooves, and the springs are connected with sliding blocks. The sliding block is connected with a clamping block, a clamping groove is formed in one surface of the positioning block, a pull rod is connected in the sliding groove, and the dustproof frame is clamped and matched with the case body. The dustproof frame is clamped and matched with the case body, the adsorption net and the filter net are installed in the dustproof frame, the adsorption net can adsorb