The invention discloses a novel multifunctional stone carving machine support which comprises a groove-shaped support, the top end of a groove of the groove-shaped support is horizontally provided with limiting fixing plates, a lifting working table is arranged in the groove of the groove-shaped support, a lifting device is arranged on a bottom plate of the groove-shaped support, the lower portions of the two sides of the working table are provided with first combination portions, the upper portions of the limiting fixing plates are provided with second combination portions matched with the first combination portions, clamp bases are arranged above the limiting fixing plates, and horizontal fixing rods are arranged on the clamp bases. The novel multifunctional stone carving machine supportis simple in structure and has multiple functions, convenience can be brought to stone carrying and placing, the problem that a machine frame of a carving machine is deformed due to long-time stone placing can be avoided, stone can be kept stable in the carving process, and therefore carving quality is ensured.