The invention relates to the field of material testing or analyzing through the method of electricity, electrochemistry or magnetism, in particular to a detecting device for an electronic intelligent key and a using method of the detecting device. The detecting device for the electronic intelligent key comprises a base (1) and a support (2) and is characterized in that the detecting device further comprises a detecting mechanism (3), a driving mechanism (4), a lower computer (51) and an upper computer (52), and the detecting mechanism (3) comprises three detecting coils (31), a photoelectric sensor (32), a spectrum analyzer (33) and an oscilloscope (34). The using method of the detecting device for the electronic intelligent key is characterized in that the method is sequentially implemented according to the following steps of (a) key placing, (b) fitting detecting, (c) parameter detecting and (d) induction detecting. According to the detecting device for the electronic intelligent key and the using method of the detecting device, detecting information is rich, the detecting accuracy is high, and the automation degree is high.