Study on the cause of decriminalization in criminal law Study on the procedure of evidence investigation in criminal trial Study on the methods of argumentation of criminal law Study on standardization of criminal policy in criminal law Study on the criminalization and decriminalization 并列正题名:Study on standardization of criminal policy in criminal law Study on the theory of “not purposeful” in criminal law Study on the internationalization of criminal law of China Study on the limits of criminal law Study on the developing Chinese labor criminal law