With application of nano technology, biotechnology, physical modified technology, etc, the development of chemical fibers which are like natural fiber both in appearance and performance has become a vital task of the 12th Five Year Plan of China textile industry. In the era of cotton price maintaining high, the appeal of textile industry to cotton-like chemical fiber is stronger.Development and production of cotton-like PET fiber can not only transfer, even upgrade the over capacity of PET fiber industry, but also relieve the supply shortage of cotton, therefore, the market margin is very big. In industrialization process of cotton-like PET fiber, relative producers have to focus on mining market segment and continually advancing market acceptance of product.