The uniqueness of education reform is different from general education: (1) legitimacy. Legal system is the essential attribute of educational reform. (2) mandatory. The educational reform of criminals is realized by the prison, which is a state dictatorship institution, and it is an important content in the process of penalty execution. Education and reform are carried out under strict supervision. (3) comprehensive. The core of educational reform is to reform criminals' criminal ideas and all kinds of wrong ideas.