Preparation method for clothing back fastener

A preparation method for a clothing back fastener, wherein the clothing back fastener included a lining cloth and an outer sleeve bag, the preparation method comprises:

• preparation for the outer sleeve bag, including
• weaving a cylindrical webbing by a mechanical weaving method, cutting the cylindrical webbing into a plurality of units with two ends open, sealing one end of each unit to form the outer sleeve bag with one opening end, and providing a plurality of slits on a surface of the outer sleeve bag;
• preparation for the lining cloth, including
• attaching a hot melt film to a cloth strip, and providing a plurality of fasteners on the cloth strip, and cutting the cloth strip into a plurality of units, each unit being the lining cloth;
• and
• preparation for assembling the lining cloth and the outer sleeve bag, including
• disposing the lining cloth in the outer sleeve bag in a sleeved mode, and inserting each fastener into respect slit to be located outside the outer sleeve bag, and hot-pressing the outer sleeve bag to bond to the lining cloth.