The drawings include: the original plan of the first floor, the wall removal plan of the first floor, the wall laying plan of the first floor, the wall size positioning plan of the first floor, the plan of the first floor, the top layout plan of the first floor, the top size plan of the first floor, the wiring diagram of lamps, the ground laying diagram, strong and weak electricity, and drainage; Elevation (living room, dining room, bedroom, toilet, kitchen).