This article delves into the comprehensive examination of the dispute resolution in adultery cases within the Tolaki Tribe, specifically through the traditional practice of "Kalosara." The research also explores the relevance of Kalosara to the al-Ishlah concept in Islamic criminal law. The examination encompasses various stages, from the acknowledgment of the wrongdoing to the purification ceremony, reflecting a holistic approach to conflict resolution and social restoration. This research uses the literature review method to establish a robust theoretical foundation. The identification of relevant literature will entail a meticulous search for sources addressing Kalosara customs, dispute resolution, and the al-Ishlah concept within the context of Islamic law. This research indicates a significant relevance between the Kalosara custom and the concept of Ishlah in the context of Islamic criminal law. The practice of Kalosara in resolving cases of adultery within the Tolaki Tribe reflects the principles of Ishlah, emphasizing reconciliation, restoration, and conflict resolution. The stages of the resolution process, from the acknowledgment of the perpetrator to the purification ceremony, mirror a holistic approach to achieving restorative justice