This study aims to determine the interest and motivation of students in social science programs in choosing cross-interest biology at SMAN Kubu and SMAN Kubu Babussalam Rokan Hilir Regency. This type of research is a descriptive study. The research was conducted at SMAN Kubu and SMAN Kubu Babussalam Rokan Hilir Regency from August to October 2020. The sampling technique used was purposive sampl…