The whole life of a silkworm is really amazing,It changed four times in the whole life,from seed to silkworm,after spilting out silk,it becomes into a cocoon,then it shapes into a moth.The transitation from Movement and Quietude has bring about lots of association and consideration of life and world by ancients.

The seed is the source of life,its life starts from slkworms,which seems like several stages of life.The pupa can be regarded as the death of life,while it breaks out the pupa and flies away,which is the soul we hunt for.

The physiological change of a silkworm has a tight communication with some original senses,while in the ancient times silkworms were regarded as the incarnation of the gods and mascot,and people offer sacrifices to them solemnly.