This book mainly adopts the theoretical analysis approach for the argument regarding issues in criminal law. As one of the most influential scholars in criminal law research in China, with his profound knowledge and experiences in criminal law research, the author Professor Mingkai Zhang, has made in-depth argument demonstrating matters in the field, covering the basis of illegality and culpability, the prior act of criminal omission, the illustration of Lehre Vonder Objektive Zurechnung (causation and results imputation), behavioral utilitarianism, defense by accident, risk assumption, specific method errors, anticipated possibility, discontinuation of crime, joint crimes, and concurrence. In this way, the book makes an effort in building critical and distinguished theses of the aforementioned domains. Legal scholars who do research concerning criminal law, law school students who have some previous understanding of criminal law, practitioners who seek for further academic support can find it's beneficial to read the book since the utmost and latest theoretical results of criminal law research in current China are provided here. To be mentioned, the most outstanding features of this book are its theory-orientated argumentation and critical-characterized thinking logics, based on such efforts and on the literature references linking to the pioneers in other civil law countries, audience can be better equipped with the comprehension on criminal law issues.