1. Learning Basis: Understand the basic concepts, materials and technologies of jewelry design. You can learn by reading related books, taking online courses or watching teaching videos.

2. Study the market trends: Understand the current fashion trends and consumer preferences in the jewelry design market. You can get inspiration by browsing fashion magazines, visiting jewelry exhibitions and paying attention to designers' works.

3. Learn painting skills: Jewelry design requires good painting skills, including hand-drawing and computer drawing. You can improve your painting ability by taking painting courses or teaching yourself painting skills.

4. Practical design: Improve your skills through practical design. You can start with simple design and gradually challenge more complex design. You can do modeling, sketching and 3D modeling.

5. Seek feedback and guidance: communicate with other jewelry designers or professionals and seek their feedback and guidance. You can join the jewelry design community, join the designers' association or find a mentor to get help.

6. Continue to learn and update knowledge: Jewelry design is a constantly developing field, which needs continuous learning and updating. You can participate in industry seminars, training courses and workshops, communicate with peers, and keep abreast of new technologies and materials.

In a word, the systematic self-study of jewelry design requires unremitting efforts and an attitude of continuous learning. By learning basic knowledge, studying market trends, learning painting skills, practicing design, seeking feedback and guidance, and constantly learning and updating knowledge, you can gradually improve your jewelry design skills.