An inductive position measuring sensor, comprising a fixed ruler and a sliding ruler relatively movable along a direction of a measuring axis; a series of coupling coils arranged on the fixed ruler along a measuring direction; two sets of driving coils (210, 220, 310, 320, 410, 420, 510, 520) disposed on the sliding ruler, and induction coils (230, 240, 330, 340, 430, 440, 530, 540) arranged in a staggered mode are also disposed on the sliding ruler, wherein the two sets of driving coils (210, 220, 310, 320, 410, 420, 510, 520) are configured to generate excitation signals, and the induction coils (230, 240, 330, 340, 430, 440, 530, 540) of the sliding ruler are configured to receive said signals through introduction with the coupling coils on the fixed ruler, for measuring the relative movement of the fixed ruler and the sliding ruler, characterized in that, the two sets of driving coils (210, 220, 310, 320, 410, 420, 510, 520) on the sliding ruler are configured to generate the excitation signals in turn, each set of driving coils (210, 220, 310, 320, 410, 420, 510, 520) comprises two excitation coils (211, 212, 221, 222, 311, 312, 321, 322, 411, 412, 421, 422, 511, 512, 521, 522), all of the four excitation coils (211, 212, 221, 222, 311, 312, 321, 322, 411, 412, 421, 422, 511, 512, 521, 522) are of the same size and shape, and the centers of the four excitation coils (211, 212, 221, 222, 311, 312, 321, 322, 411, 412, 421, 422, 511, 512, 521, 522) are respectively arranged on four corners of a rectangle which are symmetrically located about the measuring axis; two or more sets of induction coils (230, 240, 330, 340, 430, 440, 530, 540) being arranged on the sliding ruler in a staggered manner, and whereby the induction coil (230, 240, 330, 340, 430, 440, 530, 540) is composed of a plurality of measuring coils arranged at interval in a winding direction in series, arranged along the measuring axis, and respectively forming two measurement areas (A, B) in the middle of the two excitation coils (211, 212, 221, 222, 311, 312, 321, 322, 411, 412, 421, 422, 511, 512, 521, 522), the measuring coils (231, 232, 241, 242, 233, 234, 243, 244, 331, 332, 341, 342, 333, 334, 343, 344, 431, 432, 441, 442, 433, 434, 443, 444, 531, 532, 541, 542, 533, 534, 543, 544) at the same position in the two measurement areas (A, B) are connected in series, and the measuring coils (231, 232, 241, 242, 233, 234, 243, 244, 331, 332, 341, 342, 333, 334, 343, 344, 431, 432, 441, 442, 433, 434, 443, 444, 531, 532, 541, 542, 533, 534, 543, 544) at the same position in the two measurement areas (A, B) are at the same distance from the exciting coils (211, 212, 221, 222, 311, 312, 321, 322, 411, 412, 421, 422, 511, 512, 521, 522) thereto. a fixed ruler and a sliding ruler relatively movable along a direction of a measuring axis; a series of coupling coils arranged on the fixed ruler along a measuring direction; two sets of driving coils (210, 220, 310, 320, 410, 420, 510, 520) disposed on the sliding ruler, and induction coils (230, 240, 330, 340, 430, 440, 530, 540) arranged in a staggered mode are also disposed on the sliding ruler, wherein the two sets of driving coils (210, 220, 310, 320, 410, 420, 510, 520) are configured to generate excitation signals, and the induction coils (230, 240, 330, 340, 430, 440, 530, 540) of the sliding ruler are configured to receive said signals through introduction with the coupling coils on the fixed ruler, for measuring the relative movement of the fixed ruler and the sliding ruler, characterized in that, the two sets of driving coils (210, 220, 310, 320, 410, 420, 510, 520) on the sliding ruler are configured to generate the excitation signals in turn, each set of driving coils (210, 220, 310, 320, 410, 420, 510, 520) comprises two excitation coils (211, 212, 221, 222, 311, 312, 321, 322, 411, 412, 421, 422, 511, 512, 521, 522), all of the four excitation coils (211, 212, 221, 222, 311, 312, 321, 322, 411, 412, 421, 422, 511, 512, 521, 522) are of the same size and shape, and the centers of the four excitation coils (211, 212, 221, 222, 311, 312, 321, 322, 411, 412, 421, 422, 511, 512, 521, 522) are respectively arranged on four corners of a rectangle which are symmetrically located about the measuring axis; two or more sets of induction coils (230, 240, 330, 340, 430, 440, 530, 540) being arranged on the sliding ruler in a staggered manner, and whereby the induction coil (230, 240, 330, 340, 430, 440, 530, 540) is composed of a plurality of measuring coils arranged at interval in a winding direction in series, arranged along the measuring axis, and respectively forming two measurement areas (A, B) in the middle of the two excitation coils (211, 212, 221, 222, 311, 312, 321, 322, 411, 412, 421, 422, 511, 512, 521, 522), the measuring coils (231, 232, 241, 242, 233, 234, 243, 244, 331, 332, 341, 342, 333, 334, 343, 344, 431, 432, 441, 442, 433, 434, 443, 444, 531, 532, 541, 542, 533, 534, 543, 544) at the same position in the two measurement areas (A, B) are connected in series, and the measuring coils (231, 232, 241, 242, 233, 234, 243, 244, 331, 332, 341, 342, 333, 334, 343, 344, 431, 432, 441, 442, 433, 434, 443, 444, 531, 532, 541, 542, 533, 534, 543, 544) at the same position in the two measurement areas (A, B) are at the same distance from the exciting coils (211, 212, 221, 222, 311, 312, 321, 322, 411, 412, 421, 422, 511, 512, 521, 522) thereto.