Nodule positioning needle

The utility model relates to the technical field of medical instruments, in particular to a nodule positioning needle, which comprises a positioning needle tube and a push rod, a needle tube seat is mounted at the rear end of the positioning needle tube, a through hole communicated with the positioning needle tube is arranged on the needle tube seat, and the front end of the push rod extends into the positioning needle tube through the through hole on the needle tube seat. A positioning assembly allowing the push rod to be pushed out of the positioning needle tube is placed in the positioning needle tube and comprises a positioning rope and a spring, the front end of the positioning rope downwards extends out of the push rod, the rear end of the positioning rope penetrates through an inner hole of the spring and then is reversely connected to the positioning rope in a wound mode to form a movable rope knot, and the movable rope knot is pulled by pulling the front end of the positioning rope. And the spring fo