In the large-format integral imaging display system, the position error of the macro lens array will seriously affect the imaging quality. The position error of the macro lens array can be divided into axial position error and lateral position error. Pixels converging at the reconstructed point ideally will no longer converge with the position error, and will be imaged at other points. In this paper, the average and variance of the distances from the reconstructed point to these points are used to measure the size of the position error. In addition, this paper discusses the measurement methods of the axial and lateral positions of the macro lens array, and then gives the correction methods of the axial and lateral position errors of the macro lens array, thereby alleviating the influence of the macro lens array’s position error on the imaging quality and improving the display effect.