Electric sewing machines are divided into: ordinary household electric sewing machines, household computer sewing machines, ordinary industrial electric sewing machines, industrial computer sewing machines, etc. Let’s not talk about ordinary ones, just talk about industrial computerized sewing machines, which are divided into: computerized flatbed machines, computerized special machinery (buttonholes, buttons, etc.). The method of using computerized flatbed machines is: 1) Turn on the power 2) According to you Contents to be sewn Set whether front or rear back stitching is required 3) Set the number of front back stitches and rear back stitch stitches. In short, this can meet general sewing needs. If special sewing is required, other settings can be made. , in short, the industrial computer flat car has many special settings for you to choose from.