If you want to teach yourself fashion design, I think you should learn cutting first. You only need to know some basic knowledge of clothing, know what parts a dress is made of, how to sew it together, and then learn to design, so that the designed things can be practical, instead of designing clothes that can't be printed and sewn at all by imagination. But you can learn fashion illustration at the same time as cutting, and you can draw clothes styles that you imagine in your mind, and then print, cut, sew and wear them on your body, so that you can design cutting. Fashion illustration: You can buy a book to teach fashion illustration to draw. According to the above exercises, you must learn to sketch watercolor gouache and so on. If you want to start from the basics, learn sketch first. After learning to draw fashion illustrations, you can also buy some books about clothing design, such as the history, color, structure and design skills of clothing. Don't think that it is not important to know the history of Chinese and foreign clothing. Nowadays, many popular fashion styles are improved by turning over the past or ancient clothing styles and adding design elements. You usually read more fashion magazines or fashion magazines. Many illustrations and pictures of people who wear fashion can be collected. Look more carefully and find out where other people's design elements are. Read more books and appreciate more, and you will naturally feel something about design. If you don't know anything about cutting basics, of course, you should buy some books about cutting basics. Don't learn prototype cutting at first, because you are self-taught and no one will tell you the key points. You will have many questions that you don't understand. It is better to learn the traditional formula cutting method after the conference is done. After you have some concepts about clothing, you can learn the prototype cutting method. See if you can find a set of prototype clothing teaching materials of the Japanese Ministry of Culture. The content of this textbook is very good and comprehensive, with ten items. I wish you success!