Interacting with life is guided by visible medium. In small-scale apartments with limited space, the worst are fragmented compartments. It makes the narrow space more tight. Therefore, to make space flexible and versatile usable is the effective way to zoom in the vision of small-scale houses. Concept: composite functions application to get more activity space. In this case, the designer applies the concept of composite functions to combine the dining table and the kitchen island. The kitchen island not only offers a platform to have a meal and cook but also a place for tea time.