Abstract: ADHD is a common mental disorder with obvious symptoms of inattention, difficulty in controlling their behavior and hyperactivity et al. in childhood and may persist into adolescent and adult, and these defects may increase the possibility of crime. Minimal brain dysfunction theory, self-regulation theory, reinforcement sensitivity theory, and the related personality theory et al. can, to some extent, explain the relationship between ADHD and crime. There exist three different way of ADHD’s influencing on crime-independent effect, indirect effect and no effect. This paper specially states the performance characteristics of ADHD patients during the criminal justice process and the related judicial enlightenment. Future studies should explore the affection of ADHD on crime in the genic, neurophysiological mechanism and their interactions with environment. Moreover, the possible effect of ADHD should be considered in the process of crime prevention, trial, court and the treatment of offenders.

Key words: ADHD, comorbid disorders, crime