Abstract: The trends and results achieved on application of image processing technique in the textile and garment were reviewed.The basis and principle of application of image technique to the garment pleat evaluation were studied.The visual effects of the garment pleats created by various techniques and wearing were analyzed,and methods for extracting pleat images form the surface of the fabric were also introduced.After image processing of the extracted pleats,an evaluation system of garment pleats based on the grey scale was recommended,which included such indexes as the number,depth and width of pleat,and unevenness of pleat.In so doing,a digital description of garment pleats——a visual effect was expected.Research results indicated that this evaluation system can truly reflect the form and characteristics of garment pleats.