Basic tutorial on hand embroidery stitches: Illustrated tutorial on backstitch embroidery stitches
Figure 1: Pass the thread from A upward and then from B downward. This is the first shot.
Figure 2: Pass the line up from C and then down Enter from B. In this way, by threading the thread back we have completed another stitch.
Figure 3: The line goes up from D and returns to C Pass down. Repeat this pattern until the design is complete.
Figure 4: The thread embroidered with the backstitch method will be as shown in the picture.