The invention discloses a sizing bamboo chip machine and belongs to the technical field of machines. The sizing bamboo chip machine comprises a rack, and also comprises universal joints, a first cutter, a sizing piece, first compression rollers, second compression rollers, bamboo chip tracks and second cutters, wherein the universal joints are driven by a motor, are fixedly arranged on the rack and are used for multi-angle conveyance; the first cutter is fixedly arranged on the rack and is used for primary cutting; the sizing piece is fixedly arranged on the rack; the first compression rollers and the second compression rollers are used for bamboo chip transportation and clamping; the bamboo chip tracks are fixedly arranged on the rack and are used for bamboo chip conveyance; the second cutters are used for dividing bamboo chips for secondary cutting; each universal joint is a candan universal joint which can be adjusted within an angle range of 0-15 degrees. Moreover, according to the sizing bamboo chip machine disclosed by the invention, by matching the sizing piece and other components, especially installing the universal joints, the goals that a slitting operation and a sizing operation can be finished on the same machine; the work efficiency is high, the speed is high, and the problem that thick bamboo chips are hard to cut is also solved.