Edge covering and sewing process for pocket mouth of clothing pocket

The invention provides a coat and trouser pocket opening edge covering sewing process which is easy to operate. The coat and trouser pocket opening edge covering sewing process comprises the following steps that firstly, a double-needle sewing combined folder is fixed to a double-needle sewing machine; then, the edge covering cloth penetrates into a double-edge buckling-pressing pull cylinder of the double-needle sewing combined pull cylinder, the two sides of the edge covering cloth are folded inwards after the edge covering cloth penetrates through the double-edge buckling-pressing pull cylinder, and at the moment, the double-needle sewing machine is started to sew the penetrating-out parts of the edge covering cloth together; then the clothes and trouser pocket mouth cloth penetrates into the single-side buckling-pressing pull cylinder of the double-needle sewing combined pull cylinder, and one side, penetrating through the single-side buckling-pressing pull cylinder, of the clothes and trouser pocket mout