The utility model discloses an improved vehicular wheel speed sensor assembling coil which belongs to the technology of vehicular wheel speed sensor. The utility model mainly settles a problem of complicated assembling program in the prior art. The improved vehicular wheel speed sensor assembling coil comprises the following components: a frame which is inlayed with magnetic steel and an iron core, a coil which winds to one end of the frame, and a plug connected with the other end of the frame. The plug is embedded with an elongated lead. One end of the elongated lead is provided with a welding needle and is connected with the coil through the welding needle, and the other end extends to outside of the plug. Furthermore cotton thread winds on the surface of the coil. The improved vehicular wheel speed sensor assembling coil has the following advantages: simple structure, convenient mounting and low manufacturing cost. The improved vehicular wheel speed sensor assembling coil is mainly applied in the vehicular wheel speed sensor and has high practical value.