The 2013 revision curriculum is in attendance to enhance learners' critical thinking skills, but in reality the use of the learning model at school is still not appropriate. It aims to see the effect of discovery learning model multi interactive media assistance against increasing critical thinking skills learners on vector matter. The kind of research uses quasi experiment, with pre-test post-test control group design. The research is carried out in SMA Negeri 14 Jakarta odd semester on 2019/2020, with X MIPA 2 and X MIPA 3 as a sample each of which is made up of 36 learners. Using purposive sampling techniques. Instruments used to measure learners critical thinking skill it was on seven essay. Statistical analysis used was the Saphiro Wilk normality test that states normal data, homogenized tests that states both classes are in the same state. And then hypothesis test, that states the research shows that discovery learning model multi interactive media assistance can influence learner's critical thinking skills improving in SMA Negeri 14 Jakarta. As for the result it's a 0,84 with higher category of an increase in the experimental classes and 0,46 on with medium category on control classes.