The pool turns up in the front named inkstone pool, because it is shaped like an ancient Chinese inkstone of the four treasure of study.

The Jin Tomb in Xiyanchi, Linyi is one of the most important discoveries in Wei, Jin and Six Dynasties archaeology, and it has become one of the Ten major archaeological discoveries in 2003.

Above there is a large square with beeswax, a foot square, inkstone pond has been grinding good thick juice, a mill to a quarter of his arm a good rough on the ink anchorage point.