Interior decoration design scheme of two-story duplex residence, drawings include: original plan of the first floor, layout plan of the first floor, partition wall and index plan of the first floor, ground pavement plan of the first floor, top floor plan of the first floor, original plan of the second floor, layout plan of the second floor, partition wall and index plan of the second floor, ground pavement plan of the second floor, top floor plan of the second floor Wall elevation and node details of each indoor room.