The Duke Zhou dagger inscription has been traditionally believed to be a fake by Guo Moruo and other scholars ,however ,this paper ,based on a careful study archaeologically and historically,argues that the dagger as well as its inscription are both real and can be dated to middle Warring States period.

Summarize and category of systematic and culture comprehension was the historical tend in the middle and late warring states period,which manifested varied categories and expressions,such as,comprehension of different branch in a same school,comprehension of drawing on other schools based on a school,and comprehension in a special systematic field etc.

As one of the popular theories of the Warring States, Mohism is followed with interest and discussed by various scholars of the middle and later stage of the Warring States.