Laparoscopic surgery refers to the application of contemporary advanced electronic, electrothermal, optical and other equipment and technology, with electronic mirroring instead of direct visualization of the naked eye, and slender instruments instead of fingers, and seeks to complete the observation, diagnosis, cutting off and other treatments of lesions in the body, and reconstruction of abnormal tissues and organs under the smallest incision paths, the least amount of tissue damage, and the least amount of muscular stress, with the features of less surgical bleeding, less postoperative pain, quicker recovery, tiny wounds, tiny or no scars, and no injuries to the vitality of the body.