Novel test tube rack

The utility model relates to the field of medical instruments, in particular to a novel test tube rack which comprises a base, a frame array is mounted on the base and comprises a plurality of sub-frames, and the sub-frames are detachably and fixedly connected with the upper surface of the base; each sub-frame comprises a bottom plate, the bottom plate is horizontally arranged, a plurality of positioning grooves are formed in the upper plate surface of the bottom plate, a vertical rod is fixedly arranged on each of the two sides of the bottom plate in the length direction, a frame plate is arranged over the bottom plate, and a plurality of through holes are formed in the plate surface of the frame plate; when the tail frame ascends to the highest position relative to the base, the supporting rod is detachably connected with the tail frame. The nursing bed is stable in structure and conforms to the using habits of medical staff; according to the test tube rack, bar codes or two-dimensional codes of blood sampl