Cardiovascular disease is still a global threat and is a disease that plays a major role as the number one cause of death throughout the world. The aim of this research is to get an overview of the influence of multimedia education on behavior, including: Increasing knowledge, attitudes and actions, and community behavior in preventing disease. coronary heart. Quasi experimental method, randomized pretest-posttest group control design. Respondents were 60 respondents. Research schedule June-December 2024 in Cakung District, East Jakarta. The questionnaire instrument has been tested for homogeneity. The samples were 30 intervention groups and 30 control groups. Data collection using pre-test and post-test questionnaires. Data analysis using univariate analysis and bivariate paired t test analysis to reveal differences in scores between the intervention group, the treated group compared to the untreated control group. The results of the intervention group research found that there were differences in knowledge, attitudes and behavior (p = 0.000; p = 0.000; p = 0.0001) with p-value <0.05. with a score difference (9,300; 13,600; 6,607). These findings show that there is an influence of Multimedia Education (Educational Videos and Presentations) on increasing knowledge, attitudes and behavior in preventing coronary heart disease. The research conclusions found that there was an influence of multimedia education on increasing knowledge, attitudes and behavior in preventing coronary heart disease.