This wall-mounted soap box adopts modular combination design, supports single-layer independent use, and can also be freely assembled and combined in multiple layers, which can flexibly adapt to different family storage needs. The whole body is rounded to weaken sharp lines. The front end of the box body is decorated with oblique texture as visual details to break the monotony of pure color and improve the delicacy of the product. The bottom of the tray is provided with drain holes to quickly drain away the soap water to avoid long-term soaps in the sewage to breed dirt. The use of non-perforated buckle wall structure, the tray can be removed separately, convenient for daily washing and cleaning, flexible disassembly and assembly. Color selection of low saturated milk double color, soft and moist, can adapt to the cream wind, minimalist modern and other mainstream bathroom decoration style.