According to the documents and nongovernmental recording, there had been various color names of textiles in Qing dynasty. For example, there were at least 40 colors recorded in the official documents. Process of dyeing got to be good and stable in Qianlong 19th , there were at least 30 different dyeing processes at that time, such as direct dyeing, mordant dyeing, deoxidize dyeing and so on, or something more complicate. The dye stuff included indigo, rhubarb, young fustic, safflower, brazilwood, buds of pagoda tree, Amur cork, cape jasmine, gall, hulls of acorn. Dyeing additives included alum, alkali, prunus mume and almond oil. Rules for blue, red, green dyeing were stricter, while that for yellow and other colors were more flexible.