The settlement of the ground behind the walls caused by the horizontal displacement of the foundation pit retaining structures can have an impact on nearby buildings and structural facilities. Therefore, it is necessary to predict the settlement of the ground behind the walls. In order to accurately predict the settlement of the ground behind the walls, the horizontal displacement of the retaining structures is considered as a combination of four fundamental deformation modes, the analytical model for settlement caused by the rigid displacement of the retaining structures serves as the foundation. utilizing the method of small elements for integration, analytical models for settlement caused by any deformation mode of the retaining structures are derived. Additionally, numerical simulations are employed to further refine the analytical models. The settlement values of the ground behind the walls obtained using the method in this paper will be compared and analyzed with three sets of actual engineering data. The results indicate that the analytical model for settlement of the ground behind the walls, derived in this paper, can effectively predict the settlement displacement, this validates the reliability of the analytical model proposed in this study.