The aim of the study is to analyze the Tausug Philosophy of language, relationship between thought language and the word, metaphysical feature of Tausug language. The study is a qualitative descriptive design to relate the analysis of the Tausug philosophy of language, relationship between thought language and word and the metaphysical feature of Tausug language. The respondents are Tausug knowledgeable elders invited for interview and Focus Group Discussion. The study concluded that the Tausug means people of the current whose origin rooted from the descendants of Indonesia and considered as dominant group stood for the Kingdom of Sulu these are people of Sulu, Basilan, Palawan, Mindanao and North Borneo. The Kingdom of Sulu was an Independent state under the governance of the Sultanate of Sulu. The five stars in the Sultanate flag stood for Sulu, Basilan, Palawan, Mindanao and North Borneo. Tausug is also carries the name of the Austronesian language. The Tausug language have consonant generation syllable boundaries and composed of three vowel phonemes. The Tausug language as lingua franca is now accredited in the madaris educational system in the DepEd Basic Education Bureau. The Tausug elements of language was based on adat (Culture) and agama (religion). The promotion and preservation of the Tausug Language Philosophy in Sulu and North Borneo through strengthening efforts of the research and extension services by of consultation to develop concept paper of the Tausug Language headed by the MSU-Sulu faculty in coordination with the local leaders of Sulu. Technically by organizing the Ad-Hoc Working group to write the concept paper.