The Northern Song dynasty Jun kiln sky blue glaze six sunflower mouth marigold tray is a fine example of traditional Han porcelain making. It is a kind of Han daily utensils, from ancient times to the present day its main function is used for drinking wine or tea. Most of the basic shape is straight or open mouth, the diameter of the mouth and the height of the cup is almost equal. There is a flat bottom, foot ring or high foot. Archaeological data show that the earliest cups were first seen in the Neolithic period. Whether it is the Yangshao culture, Longshan culture or Hemudu culture sites have seen the existence of ceramic cups. This period of the cup type is the most peculiar and varied: with ears have a single ear or double ear cup; with a foot more conical, three-legged cups, goblet-shaped cups, high-handled cups and so on.