In this paper, the breathing, relaxed, good antistatic, hang down the four characteristics of renewable fiber copper ammonia fiber cellulose fiber become gradually favored by people in the new century under the condition of one of the textile raw material, the preparation process, the key technologies of spinning, simple introduction to the structure and performance. And copper ammonia fiber at home and abroad is expounded in detail the development history and present situation of application in worsted and other many kinds of blended, which shows that copper ammonia fiber in more and more people pay attention to the green environmental protection of high-grade apparel product development will have broad prospect of application. At the end of the article briefly illustrates the copper ammonia fiber development problems and future development direction. [ABSTRACT FROM AUTHOR]

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