Colored cotton is a new type of cotton with natural color. Natural colored cotton is a kind of new textile raw material, which is cultivated by modern bio-engineering technology. Compared with ordinary cotton, it is soft, breathable, flexible and comfortable to wear. Therefore, it is also known as the higher level of ecological cotton. Internationally called zero pollution (Zeropollution). Organic cotton can not be dyed by chemical synthetic dyes because of its natural properties during planting and spinning. Only natural plant dyes are used for natural dyeing. Naturally dyed Organic cotton has more color and can meet more needs. According to experts, brown and green will be popular colors in the early 21st century. It reflects ecological, natural, leisure, fashion trends. Color cotton clothing in addition to brown, green, is gradually developing blue, purple, gray red, brown and other color clothing varieties.