The invention discloses a wood wedge pushing device and a robot with the same. The wood wedge pushing device comprises a base, a sliding groove component and a slide rail mechanism, wherein the sliding groove component is arranged on the base and obliquely extends to the ground, and a sliding groove channel suitable for passing of a wood wedge is defined in the sliding groove component; the slide rail mechanism is slidably connected with the base, and when the wood wedge slides out of the sliding groove channel, the sliding groove component is connected with the wood wedge in a matched mode so as to push the wood wedge to a preset position. According to the wood wedge pushing device disclosed by the embodiment of the invention, the slide rail mechanism is slidably connected to the base, the wood wedge can be automatically pushed and inserted into a gap between the lower end of a wallboard and the ground so as to fix the wallboard, manual operation is not needed, the labor is saved, the operation efficiency is improved, and the working time is saved.