In textiles, the market for casual wear and sportswear has always been a leader in other products, and it is widely favored by consumers. In particular, products that emphasize functionality in recent years are well received, but only true experts understand. The meaning of functional sportswear, such as malti-layer, onino-skin, etc., consumers need to understand the true wearing function, and then the professionals need to provide the correct message. Since 1994, many companies have succeeded in relying on the characteristics of fiber. A series of functional fabrics, such as Tactal, GORE-TEX, Lycra, Polortec fleece, etc., have been developed, each of which has its own place in the market depending on the needs of its end use. It also allows fiber companies to understand that in a "fabricsystem", the end use is the fabric, not the fiber itself. This kind of cognition will prompt manufacturers to actively develop new fibers toward the top goal. The market target is clear, the higher the chance of success, the focus of the appeal, distinguishing different categories, such as age, health, national conditions, popularity, gender, etc., taking the baby boom born after 1945 as an example, currently About 50 years old, basically, they have the right to save and spend, affecting the mainstream of the market, but as the age grows, the impact of the new and old markets is growing, and no longer .