Manufacturing method of seamless waterproof zipper pocket

The invention discloses a manufacturing method of a seamless waterproof zipper pocket, which comprises the following steps: preparing a main body cutting piece, a waterproof zipper, a hot melt double faced adhesive tape and pocket cloth, the main body cutting piece is a composite waterproof fabric and is provided with a pocket mouth, the waterproof zipper comprises a cloth belt, zipper teeth positioned on the cloth belt and a puller positioned on the zipper teeth, the surface with a puller bulge is the front surface of the cloth belt, and the pocket mouth is provided with a pocket mouth; independently pressing the main body cutting piece; the cloth tape and the pocket cloth are pre-attached through a hot-melt double-faced adhesive tape in a fixed ironing mode, one face of the hot-melt double-faced adhesive tape adheres to the back face of the cloth tape, and the other face of the hot-melt double-faced adhesive tape adheres to the pocket cloth; in a fixed ironing mode, a cloth belt and the ironed main body cut