Abstract: Social studies education aims to understand and develop knowledge, cognitive, affective and psychomotor aspect and to prepare the student as good citizens. But in fact, social studies education is still conventional and centered on teacher. The purpose of the research is to find the impact of using digital literacy for inquiry based learning on student critical thinking skill. This research sample was quasi experimental. the research design was a pretest-posttest control group design and the sample was the VB and VC classes that have been selected through random sampling techniques. The result of analysis claims that critical thinking skill was obtained thitung = 13,539 with significance of 0,05 and df 38. Thefore, digital literacy for inquiry based learning has significant toward improving critical thinking skill.