Archaize is built because small cup uses embryo, glair to reach firing temperature and archaic close, reason its chemistry composition agrees basically, grain also a few but look genuine. But careful examine, its glaze mostly relatively float is bright and light dazzling, the person that immerse with acidity material criterion glaze is inflexible, obscure, lack establishs the Rou Runshen of small cup's deep sense. Some sticking " earth becomes rusty " , but factitious. Copy is tasted it is mostly annulus make tool set or note an oar to shape, repair a knife too carefully and nearly, as a result appears overcautious and lack the nature that tastes really, optional sense. Copy is tasted do not see glacial flaw mostly, also somebody bilges to use heat cold shrink the glacial crackle that the principle produces, but crackle is thicker. Copy tastes fetal earth pan mostly fine be bored with, carcass surface relatively level off is smooth and thinner, feel is more ethereally. If with finger light flick is attacked,new copy is tasted, the sound that give out is more ringing; And the voice that Song Daijian small cup gives out is deeper.