Puncture navigation template with replaceable guide pillar

The utility model discloses a puncture navigation template with a replaceable guide pillar, and belongs to the technical field of puncture navigation percutaneous puncture diagnosis and treatment. Comprising a template body and a guide column, one side of the template body is connected with a fixing part used for being fixedly connected with a template support, a plurality of guide column insertion holes are formed in the template body, and clamping grooves are formed in the inner walls of the upper portions of the guide column insertion holes; the center of the guide pillar is provided with a pin hole, and the upper part of the guide pillar is provided with a clamping block matched with the clamping groove. After the guide columns are inserted into the guide column insertion holes, the guide columns can be fixed to the template body through cooperation of the clamping blocks and the clamping grooves, and the guide columns can be replaced during an operation. The matching stability of the guide column and the