Kuntara Raja Niti is a custom book that became a reference for the customs of Lampung. mentioned in this manuscript that Kuntara Raja Niti is the book of the law in force in three regions, namely Majapahit, Padjadjaran, and Lampung. This book contains various clues to life for supporters of Lampung culture. Islam was entered to Lampung around the 15th century through the three main doors. From the three entrances of Islam, the most influential over the southbound lanes. The symbols of Islamic teachings in the Book of Kuntara Raja Niti is containing moral norms rooted in the teachings of Islam. Lampung sociaty have the nature piil-pusanggiri, juluk-adok, nemui-nyimah, nengahnyampur, sakai-sambaian. Wedding ceremonies, funerals, estate division, Bucokokh (Shave/Akikah), and circumcision ceremonies. all these qualities are the foundation of Islam.