Introduction: This study was conducted with the aim of investigating the efficiency of Interventional person-centered narrative therapy on increasing happiness and reducing death anxiety in elderly people. This study, which is a single case study is in the form of multiple baselines.

Methods: Of population of elderly people in nursing homes in Tehran, one person was selected using accessible sampling and participated this study. Research tool included Oxford happiness questionnaire (1989) and Templer Death Anxiety Scale. To analyze data, chart and graphical analysis were used.

Results: Results showed that person-centered narrative therapy has a positive effect on increasing happiness and reducing death anxiety. Percentage change for happiness and anxiety was 42% and 53% respectively.

Conclusion: The effects of these improvements largely remained during follow up period. Therefore, narrative therapy can be used that results in inner peace by having a positive theme toward events.