The invention discloses a numerical control winding machine tool of a vertical iron core. the numerical control winding machine tool comprises a tool body, a pressure arm mechanism, a main shaft transmission component, a faceplate core mold component and a damping discharge mechanism, wherein the pressure arm mechanism is positioned at the top end in the tool body, and consists of a rotating shaft, a bearing, a swinging arm bracket, a push rod, a cylinder, a cylinder bracket, a swinging arm and a core mold pressure roller; the main shaft transmission component is positioned at the top end in the tool body, and consists of a motor, a speed reducer, a belt wheel, a main shaft, a bearing and a bearing bracket; the faceplate core mold component is mounted at the top end of the main shaft transmission component, and consists of a core mold, a mold base and a faceplate; and the damping discharge mechanism is mounted on the side surface of the tool body, and consists of a shaft, a bearing, a thread shaft and a bracket. The numerical control winding machine tool can be applied to the winding operation of multistage step-shaped or R-shaped iron cores of wound iron core distribution transformers, and can effectively improve the material utilization rate and the lamination coefficient.