The desired seams are formed while adding a hand-sewn taste to the sewing pattern without changing the tendency of the hand-sewn taste for the same pattern. A coordinate data storage unit for storing coordinate data which indicates a needle location of a pattern to be sewn, an addition value storage unit for storing an addition value which is added to each of the coordinate data, and an adjustment unit for adjusting the coordinate data or the addition value; and an added coordinate data creating unit for creating a new coordinate data where the pattern is deformed by adding the addition value adjusted by the adjustment unit to the coordinate data or by adding the addition value to the coordinate data adjusted by the adjustment unit or by adding the addition value adjusted by adjustment unit to the coordinate data adjusted by the adjustment unit are provided.