The purpose of comparative law is to help trace the origins of the development of the same conception of law throughout the world. If examined further, the purpose of comparative law is not merely to find out the differences and similarities rather than the laws being compared, but what is important is to know the causes and background of these differences and similarities. With a comparative study of criminal law, Indonesia can take useful materials, especially in the formation of a quality national criminal law and of course in accordance with current conditions as well as Indonesian ideology and ideals. This is indicated by the material of the Indonesian Criminal Code which urgently needs improvement by incorporating various criminal law arrangements from various countries, of course adjusting to the conditions and ideology of Indonesia. This is reflected in various basic problems such as the principles and concepts of the criminal law. So it is necessary to progressively law enforcement officers in operationalizing the criminal law. In addition, a national legal development policy direction is needed that is oriented towards Indonesian ideology and ideals.