The utility model provides a medium-voltage cross-linked cable water tree resistance identification test water circulation type conduit device, which comprises a plurality of conduits connected in parallel, a water tank communicated with the conduits, and a circulation system, the conduits are communicated with the water tank through the circulation system, and each conduit comprises a bendable soft bent pipe; the circulating system comprises a water inlet pipe and a water outlet pipe which are oppositely arranged, one side of the water tank communicates with one side of the guide pipe throughthe water inlet pipe, and a PH meter is arranged on the water inlet pipe; the other side of the water tank is communicated with the other side of the guide pipe through a water outlet pipe which is provided with a circulating water pump. The catheter device has the advantages that the flexible bent pipe is used for adjusting the bending radius and angle of the bent pipe, and the situation that acatheter device needs to be disassembled to be replaced in a traditional mode is avoided. The PH meter is used, the water quality condition is checked in real time, and manual water taking for water quality change measurement is avoided. The water level gauge is used for checking and knowing the water level change condition in real time, so that the length of the cable in water is calculated, andtimely water replenishing can be reminded when water is reduced.