The pattern of learning that is dominated by the teacher causes weak interaction between students so it can be a factor in limited understanding. This research is classroom action research that aims to describe the increase in students' conceptual understanding after the implementation of the student’s team heroic learning (STHL) strategy.  The subjects in this study were students of class VII A MTS Islamiyah, Wongsorejo. This research is Classroom action research carried out in two cycles. Data collection techniques used are interviews, Observation, Tests, and documentation. The collected data is analyzed using quantitative analysis techniques and qualitative analysis, presenting information, and drawing conclusions. The results showed that there was an increase in the percentage of student’s conceptual understanding by 20.66% after the implementation of the learning strategy STHL. Which was the pre-cycle of classical completeness was 59.17% increased by 68, 17% in the first cycle and became increasing to 79.83% in the second cycle, this strategy, apart from able improving understanding abilities, can also foster a sense of leadership and responsibility if it is applied continuously.