Public security and public security technology as two young first-level discipline, set up in its initial have strong interdisciplinary color Since 2012, the Ministry of Education approved by the public security and public security technology for level 1 subject, certain achievements have been made in the discipline construction However, in the face of the requirements of professional innovation of social development, the development of public security also can’t meet the requirements of this change Therefore, through the history of the development of the police subject of the main problems; On the basis of the intersecting characteristics of science construction, it is necessary to analyze the past development experience of police discipline with the help of paradigm theory and discuss the development direction of the discipline in the future, especially the development of new discipline construction.