Abstract: The numerical model of earth-reinforced retaining walls was constructed by FLAC3D, and on the basis of verifying the effectiveness of the model, by adjusting inclination angles of walls, the influence of inclination angles of walls on the lateral deformation, earth pressure and tension of rebars of modular earth-reinforced retaining walls was analyzed. The results indicated that when the inclination angles of walls decreased from 90° to 65°, the lateral deformation, earth pressure and tension of rebars in modular earth-reinforced retaining walls decreasd; the lateral deformation mode changed from the type of outward tilt translation to the type of translation and the type of translation-bulge; the distribution law of horizontal earth pressure behind panels along wall height changed from linear to nonlinear, and there was a linear relation between the peak tension of rebars in walls and the inclination angles of walls; the tension of rebars at connections between rebars and modules exhibited an exponential relation between inclination angles of walls; the inclination angle of 75° was reasonable for modular earth-reinforced retaining walls, which could not only facilitate the greening of walls, but also reduce the deformation of the walls and improve the stability of walls.