A kind of hemofiltration system. In one embodiment, which includes: container, which has first surface, second surface and one or more wall surfaces, and the first surface, second surface and one or more wall surfaces limit a volume The input port being in fluid communication with first surface The output port being in fluid communication with second surface Filter bed, the filter bed include being stacked with close juxtaposition and being located in multiple planar magnetic meshes in vessel volume and coplanar with first surface and second surface The first magnet being located on the first surface of container The second magnet being located on the second surface of container The first input channel being in fluid communication with input port And the first output channel being in fluid communication with output port. In another embodiment, hemofiltration system includes the pump in input channel.