Hypertension is a chronic medical condition in which the blood pressure in the arteries is elevated. Laughter therapy is the most powerful tool to manage pain the distress, as it has the ability to elevate the mood state and provide a feeling of comfort. The present study was conducted to assess the effectiveness of Planned Demonstration Programme on Laughter Therapy among Hypertensive Patients in PHC at Kalitheerthalkuppam, Puducherry. Quantitative research approach with pre-experimental one group pre-test and post-test design was selected for this study. The study samples comprise of patients diagnosed as hypertensivepatients in PHC. The pre-test was conducted by monitoring blood pressure using sphygmomanometer. After pre-test, Laughter Therapy was administered to the Hypertensive Patients for the duration of 7 days once in a day. After 7 days the post-test was conducted by monitoring blood pressure. Therefore the findings of the study revealed the importance of Laughter Therapy and effective in improving the blood pressure among Hypertension Patients. This study participant gets benefited by participating in this study.