The main objective in this study is to explain the efforts in restoring family harmony as a result of online gambling addiction behavior using Murray Bowen's family system theory as an analytical framework. This research is a literature study with primary data from relevant journals and books to understand how to repair relationships damaged by gambling addiction and restore family harmony. The results show that; first, online gambling addiction has damaged the trust, finances, and mental health of family members. Second, recovery efforts require acknowledging the problem, professional help, family support, and engaging in positive activities. Family therapy and community support are essential in rebuilding trust and harmony. Third, healthy financial management and improved interpersonal relationships are also important parts of the recovery process. Meanwhile, the implementation of Bowen's family systems theory provides insights into family dynamics, highlighting the importance of understanding and intervening at the individual and family levels to restore harmony. This research generates practical recommendations for individuals, families, and professionals involved in online gambling addiction recovery, emphasizing a holistic approach involving emotional support, financial management, and improved interpersonal relationships.