"Daoguang's styling style of the times is more obvious. Some of the early utensils can still maintain the style of Jiaqing; after 30 years of evolution, they gradually changed from regular to clumsy, and most of the appearance lines of the objects were stiff and hard. since the later period of Jiaqing, the porcelain has become more and more coarse and loose. compared with the previous times, the porcelain of the same quality is light because of its small density and light weight. Most of the carcasses of cutters are thick and clumsy, especially in civilian kilns. But in the civilian kiln, there is no lack of a large number of tire whitening, the production of neat, mouth thin thin round tools."