The invention relates to the field of machining, in particular to a multifunctional carving machine which comprises a base, stand columns, a carving platform and a cutter mechanism. The carving platform comprises a movable platform and a workpiece clamping device; an automatic lifting platform is arranged on the movable platform, and comprises a platform board, a platform board lifting rack and automatic platform board lifting mechanisms; the automatic platform board lifting mechanisms are fastened on a cross beam in the middle of the movable platform; the platform board lifting rack is fixed to the automatic platform board lifting mechanisms; and the platform board is fixed to the platform board lifting rack. The multifunctional carving machine is additionally provided with the platform board capable of being lifted automatically on the basis of an existing high-precision three-dimensional carving machine; the lifting platform can be automatically lifted through program codes, and the platform board is lifted up when a plane is carved and is automatically lifted down when a three-dimensional structure is carved. The multifunctional carving machine is high in automation degree, wide in application and convenient and safe to operate.