"Pondok pesantren salafiyah" (Islamic school) is an Islamic educational institution known for its traditional approach to Islam. The teaching of mystical science in "pondok pesantren salafiyah" includes the use of mystical "ijazah" (certification) and ritual learning methods, providing students with a unique education. This study's main focus is exploring the learning methods, processes, understanding, and ritual methods of mystical diplomas applied by "kiai" (leader of Islamic boarding school). This study aims to understand more deeply how this mystical ritual is taught and how it contributes to the spiritual development of students in "salafi" boarding schools. This research uses qualitative research techniques, participant observation, interviews, and document analysis. The results showed that practicing mystical rituals involves reading sacred texts (yellow book), "riyadah" (meditation), symbolic movements, and physical exercise. This contributes to the spiritual development of students and their introduction to mystical teachings. The research also highlights "pesantren's" unique approach to combining mystical teachings with traditional Islamic education, which supports a deeper understanding of spirituality. In addition, this study also discusses the challenges and opportunities faced by Islamic educational institutions in preserving and adapting ritual learning methods in the modern era.