Stethoscope for thoracic surgery

The utility model discloses a stethoscope for thoracic surgery, and mainly relates to the technical field of medical instruments. Comprising a connecting guide pipe, earplugs are installed at one end of the connecting guide pipe, a long guide pipe is installed on the arc surface of the connecting guide pipe, an auscultation head is installed at the end, away from the connecting guide pipe, of the long guide pipe, and an adjusting structure is arranged at the end, close to the earplugs, of the connecting guide pipe and comprises a threaded cylinder. The threaded cylinder is fixedly connected with the connecting guide pipe, the outer wall of the threaded cylinder is in threaded connection with an adjusting ring, one end of the adjusting ring abuts against a sliding ring, the inner wall of the sliding ring is in sliding connection with the outer wall of the threaded cylinder, the upper surface of the sliding ring is fixedly connected with a plurality of ejecting blocks, and the section of each ejecting block is