1, material selection: the main material of carved white copper cigarette bags in Qing Dynasty is white copper, which is hard in texture, not easy to rust, and has good toughness and is easy to carve.

2. Carving technology: The carving technology of the white bronze carving tobacco pouch is exquisite, and the techniques such as digging, relief and through carving are mainly used to form rich patterns of flowers, birds, figures and landscapes, which are of great ornamental value.

3. Complex technology: The production technology of carved white copper cigarette bags in Qing Dynasty is very complex, which needs to go through many processes such as design, proofing, carving, polishing and inlaying. And every link needs careful production by experienced craftsmen.

4. Soft color: The carved white copper cigarette bag in Qing Dynasty has a soft color, mainly due to the use of white copper. After several polishing in the processing process, the surface presents a soft color similar to beige.