Purpose : The aim of this study was the effectiveness of family therapy in Bowen's systemic approach on humor and intimacy of couples. Methodology : The research design was quasi-experimental with pre-test-post-test design with experimental and control groups. The statistical population of the study was all couples in Tehran in 2020. The statistical sample size of the study is 50 couples who, after consultation and explanation of the research conditions and the satisfaction of the sample, are divided into experimental and control groups (25 in the experimental group and 25 in the control group). The experimental group was exposed to the Bowen systemic approach during eight sessions of family therapy, and the controls did not receive any training from the researcher. The research instruments were the Thompson and Walker Marital Intimacy Scale 1983 and the 2003 Martin Humor Questionnaire. Analysis of covariance was used to analyze the data. Findings : Data analysis showed that the experimental group in the post-test phase after receiving family therapy Bowen systemic approach in the variables of humor and intimacy had a positive difference compared to the control group and the research hypotheses were confirmed. Conclusion : Based on the research findings, it can be concluded that Bowen's systemic approach to family therapy has an effect on couples humor and intimacy.
