In the history of Chinese Legal Systems, there has been a code for leniency towards the old, weak and disabled that commits crimes. It is similar to the concept of "criminal responsibility" in the philosophy of modern laws. The spirit of leniency has turned to be embodied in the provisions of the law since Qin-Han Dynasties, and has become an established rule in T'an-Law. And through the dynasties of Song-Yuan-Ming-Qing (960-1911), the established rule has been carried on in the provisions of the law. This thesis is utilize the unearthed documents of the bamboo slats unearhed in Shuihudi Qinmu, the bamboo slats unearthed in Zhangchiashan, and the bamboo slats unearthed of quarter in Han dynasty, consult the historical documents, to prove the Qin dynasty which be famous for its severe laws, couldn't violated the concept of leniency. Finally, this text will give the new explain on the code of the "criminal responsibility" in Qin-Han Dynasties.
