This research focuses on the leuit that functioned as a granary of the Baduy tribe. Researchers use ethnographic methods to obtain the data. This research finds that besides it is functioned as a place to store, Leuit can also be viewed as a symbol of food security for the Baduy community. After being analized mathematically, one leuit is able to support one person of Baduy for approximately 19 years. Moreover, geometric types and shapes of leuit are very interesting to study because of its uniqueness, and also its high Philosophical values.