Introduction: Hypertension or high blood pressure often occur without symptoms, so called the silent killer. Based on these problems, humour therapy can be used to reduce the incidence of hypertension and decrease blood pressure at low cost, easily done. Humour therapy most economical to fight against hypertension. Humour therapy also stimulates endorphins hormone. Endorphins stimulate relaxes tense muscles, blood vessels dilate to accelerate the flow of blood the body. This study was aimed to determine the effectiveness of humour therapy in decreasing blood pressure in elderly with hypertension.Method: Design study that used is quasi-experiment pretest-posttest with control group design. The sample used amounted to fifty-three respondents to the intervention group by random sampling. The instrument used sphygmomanometer. Independent variable was humour therapy by using comedy film, and dependent variable was blood pressure. Data analysed by Wilcoxon Signed Ranks Test and Kolmogorov Smirnov with significant value p=0.05. Result: Statistical tests of Wilcoxon Signed Ranks Test on treatment group showed p-value systole 0.000 and p-value diastole 0.002. Kolmogorov Smirnov test showed the result p-value systole 0.000 and p-value diastole 0.815, which means there was change of systole blood pressure level before and after humour therapy by using comedy film.Conclusion: Humor Therapy affects decreased in systolic blood pressure in the elderly with hypertension. humour therapy can be used as an alternative choice to reduce the incidence of hypertension