The invention relates to a novel numerical control bamboo splitting machine, which includes a lathe bed guide rail, a rotation mechanism, a driving chain, a bamboo tube loading mechanism, a bamboo tube diameter measurement device, a stepping motor, a cutter combination assembly, a bamboo centring combination assembly, a transmission system, a swinging mechanism, a push plate combination assembly, and a sash weight, and is characterized in that a push plate combination component is arranged on tool body guide rails; a driving chain for driving the push plate combination component to move back and forth is arranged between the two guide rails; a rotational cutter disc combination component is arranged at the front ends of the tool body guide rails; a bamboo tube loading mechanism is arranged on right sides of the tool body guide rails; two movable bamboo tube centering combination components are arranged on the upper left sides of the tool body guide rails; and when the push plate combination component does backlash motion, the bamboo tube loading mechanism conveys a bamboo tube into a measuring device to measure the diameter of a small head of the bamboo tube, the bamboo tube enters two V-shaped bearings, and combination cutters which are matched are rotated to the center of the bamboo tube and aligned; and a transmission system is reversed, and the push plate combination component pushes the bamboo tube to the combination cutters, so that the bamboo tube is split into bamboo chips. Compared with the conventional bamboo splitting machine, the numerical control bamboo splitting machine has the advantages that automatic loading, automatic tool changing and automatic centering of the bamboo tube are realized, one operator is reduced, the labor strength is lowered, the width error of the split bamboo clips is reduced, and the utilization rate of bamboo woods is improved.