The invention discloses a modular combined wardrobe. The modular combined wardrobe comprises a combined wardrobe body and fixing components, wherein the combined wardrobe body comprises a first base cabinet, a second base cabinet, an intermediate cabinet, a first top cabinet, a second top cabinet and a first lateral cabinet, an interval is arranged between the first base cabinet and the second base cabinet, the intermediate cabinet spans over the first base cabinet an the second base cabinet, intervals are respectively arranged at a left side and a right side of the intermediate cabinet, the first top cabinet and the second top cabinet are respectively arranged on a top face of the intermediate cabinet, an interval is arranged between the first top cabinet and the second top cabinet, the intermediate cabinet is movably connected with the first base cabinet, the second base cabinet, the first top cabinet and the second top cabinet respectively, the first lateral cabinet is arranged at the outer side of the first base cabinet, and is fixedly connected with the first base cabinet, and the fixing components comprise a first high lateral plate, a second high lateral plate, a top line, a top line reinforcing plate and a closing plate. According to the modular combined wardrobe disclosed by the invention, respectively modular components can be prefabricated by a manufacturer, and are then assembled on the spot, width and dimension of a cabinet body can be adjusted to meet requirements for the width and dimension of the on-the-spot environment, the modular combined wardrobe is suitable for standardized production, and space in the wardrobe can also be adjusted as required.