Computer mainboard hardware heat dissipation processing device

The utility model discloses a computer mainboard hardware heat dissipation processing device. Mounting plate, bolts are symmetrically arranged at the top and the bottom of the mounting plate; a top plate is fixed to the top of one side of the mounting plate. A bottom plate is fixed to the bottom of one side of the mounting plate, the same host body is fixed between the top plate and the bottom plate, a fixing net plate is arranged on one side of the host body, a U-shaped pipe is arranged in the fixing net plate, the top and the bottom of the fixing net plate are in nested connection with the top plate and the bottom plate respectively, and a fixing mechanism is arranged on one side of the top plate. According to the utility model, the fixed screen plate is arranged on one side of the hostbody; a U-shaped pipe is arranged in the fixing net plate, the top and the bottom of the fixing net plate are connected with the top plate and the bottom plate in an embedded mode respectively, wateris contained in the U-shap