Clothes are different not because of their style and design,but because of the cloth texture too. With the development of silk dyeing industry, silk clothing is various in color and so they are called in many ways, such as “绢（juan)，缣（jian)，素（su)，纨（wan)，纱（sha)，绡(xiao)，绸(chou)，罗 (luo) ” ,etc. These words tell how silk are made and dyed in various ways and,at the same time, show also the class difference when people are dressed in different silk.