This book focuses on the criminalization trend and process regarding the internal migration in contemporary China from the perspective Law-in-Action. In Chinese society today, internal migrants are commonly perceived as criminals. Crimmigration, a global term that communicated the convergence of the criminal legal system and the immigration enforcement system, manifest itself in China’s hukou-based (also known as the household registration system) criminal legal system. How hukou has been constructed into the concept of Crimmigration in China strikes at the core of the ultimate questions...