A stitchwork status checking system comprising: a sewing machine; and a stitchwork status checking apparatus arranged for checking a stitchwork status of a stitchwork pattern selected and currently stitched by the sewing machine, wherein: the sewing machine comprises: a memory arranged for storing stitchwork data currently stitched; and a first code converter unit arranged for converting the stitchwork data into a unique code, the stitchwork status checking apparatus comprises: a memory arranged for storing stitchwork data; a second code converter unit arranged for converting the stitchwork data stored in the memory of the stitchwork status checking apparatus into a unique code; and a code comparator unit arranged for comparing the code converted by the first code converter unit with the code converted by the second code converter unit and determining whether the codes are consistent or inconsistent, and the stitchwork data stored in the memory of the stitchwork status checking apparatus is the stitchwork data currently stitched by the sewing machine and transferred via a wireless network from the sewing machine to the stitchwork status checking apparatus. a sewing machine; and a stitchwork status checking apparatus arranged for checking a stitchwork status of a stitchwork pattern selected and currently stitched by the sewing machine, wherein: the sewing machine comprises: a memory arranged for storing stitchwork data currently stitched; and a first code converter unit arranged for converting the stitchwork data into a unique code, the stitchwork status checking apparatus comprises: a memory arranged for storing stitchwork data; a second code converter unit arranged for converting the stitchwork data stored in the memory of the stitchwork status checking apparatus into a unique code; and a code comparator unit arranged for comparing the code converted by the first code converter unit with the code converted by the second code converter unit and determining whether the codes are consistent or inconsistent, and the stitchwork data stored in the memory of the stitchwork status checking apparatus is the stitchwork data currently stitched by the sewing machine and transferred via a wireless network from the sewing machine to the stitchwork status checking apparatus. the sewing machine comprises: a memory arranged for storing stitchwork data currently stitched; and a first code converter unit arranged for converting the stitchwork data into a unique code, the stitchwork status checking apparatus comprises: a memory arranged for storing stitchwork data; a second code converter unit arranged for converting the stitchwork data stored in the memory of the stitchwork status checking apparatus into a unique code; and a code comparator unit arranged for comparing the code converted by the first code converter unit with the code converted by the second code converter unit and determining whether the codes are consistent or inconsistent, and the stitchwork data stored in the memory of the stitchwork status checking apparatus is the stitchwork data currently stitched by the sewing machine and transferred via a wireless network from the sewing machine to the stitchwork status checking apparatus. a memory arranged for storing stitchwork data currently stitched; and a first code converter unit arranged for converting the stitchwork data into a unique code, the stitchwork status checking apparatus comprises: a memory arranged for storing stitchwork data; a second code converter unit arranged for converting the stitchwork data stored in the memory of the stitchwork status checking apparatus into a unique code; and a code comparator unit arranged for comparing the code converted by the first code converter unit with the code converted by the second code converter unit and determining whether the codes are consistent or inconsistent, and a memory arranged for storing stitchwork data; a second code converter unit arranged for converting the stitchwork data stored in the memory of the stitchwork status checking apparatus into a unique code; and a code comparator unit arranged for comparing the code converted by the first code converter unit with the code converted by the second code converter unit and determining whether the codes are consistent or inconsistent, and the stitchwork data stored in the memory of the stitchwork status checking apparatus is the stitchwork data currently stitched by the sewing machine and transferred via a wireless network from the sewing machine to the stitchwork status checking apparatus.