An intelligent round wood bar machining robot comprises a first workbench, four sliding wheels, four sliding wheel frames, four first electric cylinders, two saw disc sets, a first support, a second support, three roll shafts, two second electric cylinders, two baffles, a first chain, three first tooth discs, a third electric cylinder, a push plate, a second workbench, a second chain, a push rod, two second tooth discs, a second stepping motor, a first stepping motor, a wood bar machining set and a round wood bar outlet. The intelligent round wood bar machining robot has the following beneficial effects that the structure is compact, safety and reliability are achieved, operation is simple, intelligent and batched round wood bar machining can be achieved, a worker only needs to place a panel into the intelligent round wood bar machining robot so that a round wood bar can be obtained, the round wood bar production efficiency is improved, and the labor force is greatly liberated.