Regional languages continue to struggle to maintain their existence in the face of globalization and global language dominance. This raises concerns about the sustainability and vitality of regional languages in the context of a multilingual and multicultural society. The extinction of regional languages is a critical issue that threatens cultural diversity and local knowledge. If left untreated, it can eliminate the identity of Indonesian language and culture which is so diverse and adapted to their respective cultural groups. The existence of regional languages has a very important role. The existence of regional languages is always accompanied by the existence of culture. Because language and culture are very closely related. Regional languages become a symbol of the identity of a culture. Thus, through language and culture can strengthen social harmony in expressing cultural heritage. Based on Article 41 and Article 42 of Law Number 24 of 2009, handling regional language and literature and in carrying out that responsibility, the role of local governments must be in line with the central government as the highest peak holder of policy power. So that the role of the central government is expected to overcome the extinction of regional language and culture.