Multifunctional computer mainboard dustproof ring

The utility model discloses a multifunctional computer mainboard dustproof ring in the technical field of computer mainboards, which comprises a ring body, adsorption cotton and a pressing frame, the adsorption cotton is adhered to the top of the ring body and is annularly and uniformly distributed, and the pressing frame is fixedly connected between the top ends of the adsorption cotton. According to the multifunctional computer mainboard dustproof ring, the structural design is reasonable, air does not carry dust when entering and exiting a computer mainboard, heat can be effectively dissipated, a large amount of dust is prevented from entering the computer mainboard, and the dustproof ring is convenient to use. The electronic components in the computer are not short-circuited or poor in contact, a user can effectively and flexibly use the computer conveniently, the adsorption cotton adsorbs the working sound of the electronic components, so that the sound generated when the electronic components are starte