The invention provides a binding wire winding machine for a power line, and relates to a binding wire winding machine. The binding wire winding machine comprises an upper supporting plate (1), a supporting base and a wire winding device, wherein the upper supporting plate is arranged at the upper part of the supporting base, the wire winding device is arranged on one side of the upper supporting plate, and the wire winding device comprises a supporting rod A (3), a rotating rod (5), a supporting rod B (8) and wire collecting devices; the supporting rod A, the rotating rod and the supporting rod B are arranged in parallel on one lateral side of the upper supporting plate at intervals, and the supporting rod A and the supporting rod B are arranged on two sides of the lateral side of the upper supporting plate; the rotating rod is arranged at the middle part of the lateral side of the upper supporting plate, at least one coil (6) is arranged at the middle part of the rotating rod, and the wire collecting devices of which the number is equal to the number of the coils are arranged on the supporting rod B. According to the binding wire winding machine disclosed by the invention, the wire winding device is arranged at the upper part of the supporting base, so that the purposes that the machine wire winding operation for a plurality of binding wires is performed simultaneously, the labor intensity and the security risk of human resources during operation are reduced are realized.