Abstract:【abstract】Clinical practice in department of thoracic surgery is an important component in medical students’ practice.The authors applied 3D anatomicalSand three-dimensional image teaching method in thoracic practice teaching of medical students and compared the results between the students taught by 3D anatomicalSand three-dimensional image teaching and traditional teaching method. We found that there were significant differences between the two groups.So the article considered that the 3D anatomicalSand three-dimensional image teaching method was proved to be effective for improving thoracic practice teaching quality, and might be applied in other surgical department.