The invention aims to provide a production device and a production technology for dacron double-polyester double-splendor Liz silk fabric which have the characteristics that the produced double-polyester double-splendor Liz silk fabric has small bulges on silk after high-temperature dyeing, and is easy in napping and good in style hand feeling. The disclosed production device for dacron double-polyester double-splendor Liz silk comprises a double-protofilamen rack, a protofilament pipe, filament pressing rods, a first roller, a first net mouth, an upper hot box, a cooling plate, a false twisting device, a second roller, a lower hot box, a second net mouth, a third roller, an oil tanker, a silk discharge guide device, a friction roller and a finished product bobbin. The dacron double-polyester double-splendor Liz silk produced by adopting the method is one kind of dacron composition fiber, and specifically used for producing and manufacturing high-grade fabrics such as bag cloth and sofa cloth; the new product has the characteristics that certain variable elasticity is realized, the fabric after single-color dyeing has the bicolor or tricolor effect, napping is easy, rebound resilience is good, and the style hand feeling is good.