上海博物馆藏有唐代邢窑“盈”字白釉瓷盖盒(图一、二)和五代定窑“易定”款白釉瓷碗(图三、四)各一件,字铭全刻于器底,均已发表。但是,关于“盈”字及“易定”字款的含义是什么,由于缺乏足够的证据,因而无法得出正确的结论。最近,笔者通过对这两种款识的研究,发现它们还是有据可查的,现结合 Shanghai Museum contains the Tang Dynasty Xing kiln “surplus ” white glazed porcelain cover box (Figure 1, 2) and the Five Dynasties Ding Yao “Yi Ding ” white glazed porcelain bowl (Figure 3, 4) All carved in the end, have been published. However, what is the meaning of the “Ying” and the “Yi Ding” words? The lack of sufficient evidence can not lead to the correct conclusion. Recently, the author of these two kinds of paragraph through the study found that they are still well documented, now combined