The current price of colored cotton and its blended products is higher than that of ordinary cotton textile for many reasons. First, the natural colored cotton has semi-wild cotton characters and needs to be further improved and improved in terms of quality indicators and pigment stability. Therefore, The development and research of colored cotton need to invest a certain amount of funds. Second, the research and development cycle of colored cotton is long, with the effect of annual cycle. Third, the output of colored cotton is unstable, A large area of ​​lint mu yield of about 40 ~ 50kg, much lower than the white cotton; Fourth, the current processing capacity of small quantities of colored cotton, can not scale, thus increasing the cost; Fifth, to ensure that the entire industrial chain is cleaner production, The additives used are environmentally friendly, expensive, increased the price of colored cotton textile; Sixth, the new fibers used are high-tech content has just developed, the price is high, but also difficult to blend with it, plus Large trial funding.