Abstract: In recent years, as advanced manufacturing technology, reverse engineering technology has been continuously penetrating into the apparel industry, providing new ideas for the development of fashion digitalization. This paper mainly expounds the concept of reverse engineering technology, introduces four kinds of software commonly used in reverse engineering technology, and emphatically describes its application in the field of garment, including performance evaluation of fabrics and clothing, the study of human body shape, model building of human body, clothing ease design, the development of 3D garment CAD and virtual fitting system as well as garment customization system, etc. With the upgrading of the fashion industry and the advance of industry 4.0, reverse engineering technology has great development potential and good market prospects in the fashion industry.

Key words: garment digitalization technology; reverse engineering technology; personalized customization;three-dimensional human body model