Abstract
This articel aimed to describe a value of custom and an existence of unwrittenliterature which becomed a local tradition among Gorontalo society. This studyresearched custom phenomenon through historical fenomenologic and empiric approach. The result of this study showed that Gorontalo Ethnic was peoplewho applied custom based on kitâb Allâh as their rule life. So, Gorontalo’s,culturally appreciated the tradition which were based on Islam forever and ever.Gorontalo’s culture was influenced by Islam which could be seen through theway of their culturing and their literaturing. They based their culture, art, andliterature to Islam because they thought these were like praying to Allah. The Islamic values in the Gorontalo’s culture and literature were coherence to their custom untill today.