How to make a good-looking encyclopedia of packaging bag design with cdr paper bags? 1. Definition of design scheme. Carton packaging design is based on commodities, and creative expression activities are carried out through materials, structures and shapes. It is required that the design can be integrated with the commodity and directly reflect the commodity itself. The design scheme of packaging bag should be based on the commodity itself and other materials, reflecting the material characteristics, technical means, as well as the aesthetic feeling and aesthetics embodied by the combination of packaging bag materials and structures. 2. The design scheme should be determined according to the market and technical conditions, and the material, structure, shape and decoration should be selected for design. After the structural positioning and decorative design scheme of the paper bag are determined, the packaging bag design of the paper bag is carried out, and the design scheme of the packaging bag should be determined by the designer.