In recent years,the research perspective of the prevention and intervention of children's sexual assault abroad has ex-panded 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 ar-ticle 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.