Abstract:Under rule of law, the reform of criminal law is a compulsive legislation in line with crime structure and its trend, but also the choice and creation of a democratic populace according to their tradition, benefit, value and so on. To cojastruct a compulsive yet democratic criminal law system approved the populace, the reform of criminal law must first accurately reflect the crime structure of a given society and its trend, second truly mirror the relationship of realistic interest among different groups, fully embody the common values and assure of its legality in criminal law culture, for these should be the rationality behind the reform of criminal law.