The invention provides a grooving machine, and belongs to the technical field of decoration projects. The problem that according to an existing grooving machine, labor intensity of operation workers is large is solved. The grooving machine comprises a machine shell and a saw blade installation shaft. A main motor which is in mechanical and transmission connection with the saw blade installation shaft is arranged inside the machine shell. A feed roller is rotationally connected to the machine shell. The axial line of the feed roller is parallel to the axial line of the saw blade installation shaft. A gear motor is fixedly connected to the machine shell. An output shaft of the gear motor is in mechanical transmission connection with the feed roller. When the grooving machine is adopted for wall cutting and grooving, the grooving machine moves forwards along the wall through rotation of the feed roller, no operation worker needs to push the grooving machine to move forwards, and then the operation difficulty of the grooving machine and the labor intensity of the operation worker are lowered.