Studying of the Criminal Liability's Definition

Criminal liability is an important category in criminal law science.About how to understand the criminal liability,there are different doctrines in the domain of the criminal law science.However,they have many shortcomings.criminal liability has complexity,not only has broad sence and narrow sence,but also has manifold essences.So it may have many definitions.however,looking from the unity of it and criminal right and criminal obligation,it means an act demanded by criminal substantive law that a subject ought to assume criminal appraisement of negativity because of implementing an act violating a criminal obligation or encroaching a criminal right.