The invention discloses a lumbar spondylolisthesis resetting device. The lumbar spondylolisthesis resetting device comprises a handle, a connecting rod and a thumbing piece. The thumbing piece is of a flat structure, evenly-distributed anti-skid particles and protrusions are arranged on the surface of the thumbing piece, one end of the connecting rod is connected with the handle, the other end of the connecting rod is connected with the thumbing piece, and a handle length adjusting device and a handle angle adjusting device are arranged between the handle and the connecting rod. The invention further discloses a use method of the device. Resetting of lumbar spondylolisthesis of the grade III or above can be completed with the help of an assistant only through the device, no strutting or lifting or other actions are needed, screw looseness and relevant complications can be avoided to the maximum degree, and the device is very suitable for old lumbar spondylolisthesis patients with serious osteoporosis. The device can select different thumbing piece lengths and widths and the length and angle between the handle and the connecting rod according to actual conditions of the patients, the use effect is good, the technology and the device are easy to popularize, and the application prospects are wide.