Rotary excavating drill bit fishing tool

The utility model discloses a fishing tool for a rotary drilling bit, and relates to the technical field of rotary drilling rigs. The device comprises a torque transmission square head and a pressure transmission square head to be salvaged, and is characterized in that the lower end of the torque transmission square head is fixedly connected with a connecting cylinder; the inner side of the lower end of the connecting cylinder is fixedly connected with at least two bow plates, and the bow plates are annularly and uniformly distributed along the connecting cylinder; the bow plate is a steel plate spring; the lower ends of the inner sides of the bow plates are fixedly connected with triangular barbs; the diameter of the connecting cylinder is smaller than that of the pressure transmitting square head. The pressure transmitting square head fishing tool has the advantages that the pressure transmitting square head can be conveniently fished when the pressure transmitting square head fishing tool is used, cost is