Detection jig and use method

The invention discloses a detection jig. The detection jig comprises a probe, a first clamping piece, a second clamping piece and an electric conductor, the first clamping piece comprises a first clamping part; the second clamping piece is rotationally connected with the first clamping piece, and the second clamping piece comprises a second clamping part; the conductor is arranged on the second clamping part and comprises a first part and a second part connected with the first part, the first part is located between the first clamping part and the second clamping part, and the second part extends out of the space between the first clamping part and the second clamping part; the first portion is configured to electrically connect with a cable and the second portion is configured to electrically connect with the probe. By arranging the electric conductor, stable electric connection between the probe and the cable is facilitated, and the test accuracy is improved. The invention further discloses a use method of