Quranic Bibliotherapy is an emerging therapeutic intervention that combines Islamic spirituality and psychological principles to promote healing and well-being. Rooted in the holy text of the Qur'an, this approach uses narratives, reflections, spontaneous Quranic verses, sources of information, action, and change to address mental and spiritual issues. By incorporating Islamic psychospiritual practices, individuals are guided towards self-reflection, personal growth, and inner peace. The study highlights the importance of Quranic Bibliotherapy as an innovative tool in Islamic Psychospiritual healing. Such a holistic approach fosters resilience, self-awareness, and a deep connection with the Divine. By embracing the teachings of the Qur'an, individuals can find comfort, guidance, and hope, navigating life's trials with renewed strength and faith. A qualitative approach with grounded theory method is used to investigate how the application of Quranic Bibliotherapy as an Islamic psychospiritual approach to overcome mental and spiritual problems. The study involved in-depth interviews with individuals who had undergone Quran Bibliotherapy sessions at the Indonesian Bibliotherapy Community, where they discussed their experiences, insights gained, and their impact on their personality, mental, moral, and spiritual development. The study positively impacts mental health and spiritual well-being, offering profound implications for bibliotherapy practitioners, researchers, and the wider Islamic community.