Circuit detection device of liquid crystal display module

The invention discloses a circuit detection device of a liquid crystal display module, and particularly relates to the field of LED lamp strip detection, the circuit detection device comprises an LED detection pen, the bottom of the LED detection pen is provided with a detection pen tip, the outer side of the LED detection pen is sleeved with an annular limiting disc, and the bottom of the annular limiting disc is hinged with an anti-skid movable clamping arm; one end of the anti-skid movable clamping arm is connected with a corresponding elastic rope in a sleeved mode, a plurality of corresponding limiting insertion rods are arranged on the outer side of the corresponding elastic rope, the corresponding elastic rope is arranged among the corresponding limiting insertion rods, and corresponding clamping bases are fixedly installed at the bottoms of the corresponding limiting insertion rods. By arranging the LED detection pen, after the LED detection pen is fixed, the extension spring is compressed by pressing