The invention discloses a sliding rheostat with a conducting wire hanging frame. The sliding rheostat comprises a sliding rheostat support, a ceramic tube, a slide plate, a metal rod and conducting wire hanging frames, wherein the ceramic tube and the metal rod are oppositely fixedly installed on the sliding rheostat support in parallel, the slide plate is arranged between the ceramic tube and the metal rod in a sliding manner, two ends of the sliding rheostat support are respectively provided with a stand column rod, each stand column rod is adjusted in a telescopic manner, the conducting wire hanging frames are arranged between the stand column rods, the conducting wire hanging frames are transversely arranged in parallel, each conducting wire hanging frame is provided with conducting wire clips, the conducting wire clips are vertically hung on the conducting wire hanging frames, and the conducting clips are used for clamping connecting conducting wires of a connecting circuit. By adopting the structure, the circuit experiment can be completed through the sliding rheostat, the connecting conducting wires can be arranged after the circuit experiment is ended, the design is reasonable, and the structure is compact.