The utility model discloses a multifunctional computer heat dissipation base, which belongs to the technical field of computer bases, and comprises a protective shell, a bottom plate
assembly is arranged above the protective shell, the bottom plate
assembly comprises a bottom plate main body, a fixing block and two heat dissipation fans, the bottom plate main body is rotatably connected to the upper surface of the protective shell, and the fixing block is arranged on the bottom plate main body. A plurality of air holes are formed in the surface of the bottom plate main body; by arranging the
USB expander
assembly, the bottom plate assembly, the sliding rail, the switch, the supporting block, the
threaded rod, the moving block, the supporting rod and the motor, the motor drives the
threaded rod to rotate, the
threaded rod can push the moving block to slide on the sliding rail, and the angle of the bottom plate body can be correspondingly adjusted along with movement of the moving block. By integrating multiple functions of heat dissipation,
USB expansion, an adjustable supporting structure, an independent power supply and the like, the user experience is remarkably improved, and the high requirements of modern
computer users for functionality, convenience and adaptability are met.