Agricultural market gambir is often injurious farmers so important strengthening through the role of institutions local. Local institutions so far have power and proximity to the community, storing knowledge and skills and sensitive with needs of the society where exchange happened. This research uses the method the qualitative study. This research in Lubuak Alai Village, Kapur IX, Lima Puluh Kota District the Province of West Sumatra. Lubuak Alai Village is agricultural gambir centers. Local institutions involved in the market gambir is institutional farmers, gatherers, Kerapatan Adat Nagari (KAN) and village administration. The role and the existence of local institutions involved in the market gambir, is important to process the transaction as well as strengthen and sustain agricultural markets gambir in Lubuak Alai Village.