Abstract
 This study was aimed at determining and analyzing the basic considerations of judges in imposing additional criminal rulings in the form of chemical castration acts against perpetrators of sexual violence against children and the provision of chemical castration sanctions as an implementation of the Mojokerto District Court Number 69 / Pid.Sus / 2019 / Pn.Mjk. Normative Juridical Approach was employed in this study. Besides, this study was based on data sources in the form of literature studies, applicable laws and regulations, journals or articles and theories and legal concepts and views of legal experts, with notes in order to find answers and then analyze the verdict. The results of this study denote that the judge in imposing an additional castration sentence saw the actions that incriminated the perpetrators causing deep feelings towards the victims 'families and his actions were very disturbing to the community and the judges classified the perpetrators as child predators because of the perpetrators' confession that they raped 9 (nine) children others and castration sanctions as an implementation of the Mojokerto will still be carried out after the main sentence is completed in accordance with the regulations governing.
 
 Keywords: Crimes of sexual violence, children, additional sanctions castration