The house is located at the top of a building. Under the triangle spatial restriction, through the rearrangement of compartment and moving line, the designer rebuilds the order of public area, makes the function of living room, dining room, and entryway is able to be independent and fluently coherent; meanwhile, it adds the daylighting with circular frame scene, and the raises door frame line dissolves the oppressive sense of the space, combines with the framed scenery between the inside and outside, to form a multi-level depth of field and life interaction.