Bowls as the daily necessities of the diet utensils, the origin of the bowl can be traced back to the Neolithic clay Pottery Bowl, its shape and today no big difference, that is, the mouth of the big bottom small, wankou wide and the bottom of the bowl is narrow, there is a bowl foot. The height is generally the mouth along the diameter of One-second, many of the circle, very little square. Constantly changing only material, process level and decorative means. The general purpose is to hold the food, the bowl because its volume is smaller than the pot, the small and may use the hand to be prosperous. The narrow form of the upper broad is unstable on the ground, and archaeologists speculate that the ancients ' use of the bowl may have been in the pits originally dug up on the ground.