The utility model relates to a visual underground pipeline exploration instrument. The utility model relates to the technical field of underground pipeline exploration. In the prior art, the existingprobing instrument is generally held by hand; the problem that underground pipelines are laborious to explore is solved; the device comprises a sleeve, a detection rod and a video acquisition piece, one end of the detection rod is connected into the sleeve in a sliding manner; the other end of the detection rod is fixedly connected with the video acquisition piece; the peripheral wall of the sleeve is sleeved and fixedly connected with a supporting table; the bottom surface of the supporting table is connected with three or more supporting rods which are arranged at equal intervals; the supporting rod comprises a sleeve rod and a sleeve cylinder used for being connected with the sleeve rod in a sleeved mode, one end of the sleeve is connected to the bottom face of the supporting table, theother end of the sleeve cylinder is provided with a limiting screw used for limiting sliding of the sleeve rod, the screw penetrates through the sleeve cylinder to abut against the sleeve rod, and the screw is in threaded connection with the sleeve cylinder. The utility model has the effect of saving labor.