Purpose: Increasing the quality of life and forgiveness improves the relationship of couples. Islamic teachings play an important role in their mental and physical health. The aim of this study was to investigate the effectiveness of couple therapy based on Islamic teachings on quality of life and forgiveness  in couple in Meybod.
Materials and Methods: The research method was semi-experimental and pre-test, post-test with a control group. The statistical population of this study included all couples who referred to Meybod Counseling Center and 30 of them by sample method Available samples were selected for inclusion in the study and randomly assigned to experimental (15 people) and control groups (15 people). The experimental group underwent couple therapy based on Islamic The effectiveness of couple therapy based on Islamic teachings on quality of life and forgiveness  in couple during 8 sessions of 90 minutes. the control group did not receive any training. Data were collected in pre-test and post-test stages using forgiveness and quality of life questionnaires. Data analysis was done with descriptive tests (mean and standard deviation) and covariance analysis using SPSS-24 software.
Fidnings: The results showed that in the experimental group, the average score of quality of life increased from 44.15 in the pre-test phase to 62.36 in the post-test phase. Also, in the experimental group, the average forgiveness score increased from 35.45 in the pre-test stage to 47.14 in the post-test stage (P<0.001).
Conclusion: According to the findings of this research, this type of treatment can be used to reduce marital problems, increase forgiveness and the quality of life of couples.