Abstract In recent years, the research perspective of the prevention and intervention of children s sexual assault abroad has expanded from the victim s perspective of children s self protection education and post mortem remedy to the screening and intervention education of perpetrators in advance, so as to implement the primary prevention of children s sexual assault from the source. The article will summarize the current situation of foreign research on child sexual assault prevention from the perspective of perpetrators, including the target population, prevention practice and forms, so as to provide a reference for the primary prevention of child sexual assault from the perspective of perpetrators in China.