The invention discloses a novel magnetic suspension linear feeding system for a numerical control machine tool. The novel magnetic suspension linear feeding system mainly comprises two guide rails, a linear motor stator component, four pairs of differential suspension electromagnets, two pairs of guide electromagnets, a linear motor mover component, a grating measuring system and a support device, wherein a base is fixed on the guide rails; the four pairs of differential suspension electromagnets are arranged on the four bottom corners of a workbench; the two pairs of guide electromagnets are arranged beside the suspension electromagnets; the linear motor mover component is arranged below the workbench; and the grating measuring system and the support device are arranged on the guide rails. A control system disclosed by the invention consists of a gap control system which is provided with a DSP (Digital Signal Processor) main controller and is arranged among the suspension electromagnets, the guide electromagnets and the guide rails, as well as a linear motor servo control system. Due to the adoption of the novel magnetic suspension linear feeding system, contactless support and guidance of a machine tool workbench are realized, frictional wear is eliminated, feeding speed and positioning accuracy are increased, and sufficient bearing force and thrust force are provided; and moreover, the novel magnetic suspension linear feeding system can be applied to practical processing.