1. Snuff bottle is a special device for holding snuff, and it is a unique variety in ancient Chinese cultural relics.
2. All the skills of China traditional art: painting, calligraphy, porcelain burning, glazing, jade grinding, rhinoceros smelting, tooth carving, bamboo carving, paint stripping, nesting, swinging, gold and silver inlay, mother-of-pearl inlay, yellow paste, etc. They are all used on snuff bottles, which are pocket-sized artworks integrating China arts and crafts.