Introduction to the practical course of jewelry CAD jewelry design (practical full-color version): jewelry has always been a beautiful thing that people love and yearn for since ancient times. At the same time, it is a very special product showing wealth, social status, personal hobbies and literacy. Jewel CAD practical course of jewelry design (practical full-color edition) summarizes the origin, changes and development of jewelry, as well as the foundation and manufacturing technology of jewelry design, and introduces the application method of JewelCAD in jewelry design. Based on years of teaching and scientific research experience, the author understands that although China has made a lot of progress in the variety development, technical level and production equipment of jewelry, there is still a certain gap compared with the requirements of higher and newer quality, scientific and technological content of production and sustainable development in domestic and foreign markets. Therefore, the author tries to compile this book, so that professionals in the jewelry industry and readers who are interested in entering this field can have a comprehensive understanding of jewelry design. Through this book, everyone will have an updated understanding of JewelCAD software, which can be better used in jewelry design.