The Implementation of Kitab Kuning Learning as an Effort to Improve the Quality of Students at the Darul Ulum Seputih Banyak Islamic Boarding School, Central Lampung. Islamic boarding schools are educational institutions that have characteristics in their learning, namely studying and studying classical books written by scholars. This research was conducted in the environment of the Darul Ulum Islamic Boarding School, Tanjung Harapan Village, Seputih Banyak. The purpose of this study was to examine the implementation of yellow book learning at the Darul Ulum Seputih Banyak Islamic Boarding School, regarding the benefits of learning yellow books, and to determine the factors that inhibit and support learning yellow books. This research is a field research using a qualitative research model with a qualitative descriptive method. The results of the madrasah research are Islamic education management which is proven by the use of a classical or traditional system as a learning method, the use of a classical system, namely by grouping lessons in stages, or also within the time frame needed for education. One form of implementation of Islamic education is the madrasah. Islamic boarding schools are educational institutions that have unique characteristics in their learning, namely studying and studying classical. This study examines the effectiveness of Kitab Kuning learning in enhancing fiqh understanding among Class II Isti'dadiyah students at Darul 'Ulum Islamic Boarding School. The research employs a quasi-experimental design, comparing the fiqh comprehension of students exposed to Kitab Kuning learning with those receiving conventional instruction. The findings indicate a significant improvement in fiqh understanding among students taught using Kitab Kuning, suggesting its potential as a valuable educational approach in Islamic boarding schools