Refine the mental health lectures and psychological tests for new prisoners. In view of the characteristics of post-80s and post-90s criminals, such as ignorance, active reform, psychological fragility, passive work, utilitarian assessment and enjoyment of life, and the fact that most of the people involved are violent criminals, the prison sends experienced psychological counselors to teach the basic knowledge of psychology and mental health on the basis of mastering the characteristics of criminal groups through individual conversations. Through the form of classroom interaction, criminals are fully aware of the confusion, loss and complaints to others that they should eliminate in time, as well as how to adjust their bad adaptation to prison, adjust and control their emotions, and establish and improve their self-awareness. , so that they can clear the direction of reform, overcome pessimism and fear, establish confidence and courage in reform, quickly adapt to the living environment, and invest in reform with a healthy and positive attitude. In the correctional prison, the new prisoners were tested with the psychological scale and the mental health files were established. At the same time, the test results of post-80s and post-90s criminals are counted, analyzed and managed respectively. Through testing and analysis, we can understand the personality characteristics of criminals more specifically, provide scientific basis for implementing individualized education and classified education and correcting criminals' psychology in a targeted manner, and better play the role of psychological correction in serving the supervision and safety of criminals' reform.