With on-going competition of linen industry,the suppliers are attaching great importance to making serial samples collection by weav-ing blankets samples,so as to enhance competitiveness with series of innovative products of fancy patterns and colors in fashion.To prepare for such collection,manufacturer needs weave scores of blanket samples in multi-colored and multi-patterned pieces.The technological essentials and principles of rational allocation of grouping in the simultaneows design of simple and complex paterns were expatiated.