Yishantang porcelain, is the name of the early Yongzheng period of the official opening of the porcelain hall, because of the specific needs of the porcelain object status of the noble height, so full of the Qing dynasty, it is really difficult to identify the institution belongs to the category of the official kiln or folk kiln.

The porcelain in the identification of time, to see the pattern of painting work Jiyi tire bone glaze color and styling of the era of craft characteristics, in order to identify the authenticity of the porcelain.