Computer dustproof heat dissipation box

The utility model relates to the technical field of computer dust prevention and heat dissipation. The dustproof heat dissipation box for the computer comprises a box body, the utility model disclosesa dustproof heat dissipation computer case. An air inlet filter screen is easy to block. Box body, wherein a front cover plate is fixed at one end of the box body through a bolt; a side cover plate is fixed on one side of the box body through a bolt; an air inlet is formed in one side of the side cover plate; a filter screen is fixed in the air inlet through a bolt; a protective frame is fixed tothe side cover plate and located outside the air inlet through bolts. A dustproof motor is fixed to the inner side of the bottom of the protection frame through bolts. A dustproof motor is mounted onthe inner side of the bottom of the protective frame; and dust and impurities on the surface of the filter screen are continuously scraped off by utilizing a scrubbing brush adhered to the inner wallof the scraping plate, so t