Combined and folding office table with heat dissipation function

The invention discloses a combined and folding office table with a heat dissipation function. The office table comprises a first table top, a support cabinet, an object storage cabinet, a partition plate, a host case, a shredder, a printer, a Bluetooth loudspeaker, a display and a hinge; the bottom of the first table top is fixedly provided with the support cabinet, the first table top is movably connected with a second table top through the hinge, the bottoms of the two ends of the second table top are both provided with support columns, and the support columns are movably hinged to the first table top and the second table top; the support cabinet is provided with the host case, one side of the host case is provided with a ventilation net, and an exhaust fan is arranged in the ventilation net; one side of the top of the first table top is provided with the object storage cabinet, the partition plate is fixedly arranged in the object storage cabinet, the shredder is fixedly installed on one side of the object