The utility model relates to a detect track fastener, gauge, the wide track intelligent detecting system of rail, there is the three -dimensional measurement sensor including embedding, a power supply, the mounting box of circuit, the mounting box bottom is equipped with four group's tread leading wheels, two sets of tread leading wheels of homonymy are walked on the track that awaits measuring of one side, it is used for the measuring to be equipped with one set in mounting box bottom and the outside that lies in every siding track respectively with the inboard, the three -dimensional sensor of outer fastener, the inboard that just lies in every siding track bottom the mounting box still is equipped with one set and is used for detecting the wide three -dimensional sensor of rail, six sets of three -dimensional sensors pass through the circuit by mains operated altogether, and through locating the communication interface and external transmission detection data on the mounting box. The utility model is simple in operation, production low in manufacturing cost, detection efficiency is high moreover, and detection quality is reliable.