This work covered the background, some belief systems and models of rice barns of two ethnic groups:Tai Berng at Khok Sa Noi Village and the Mon at Phra Phoeng Village in Tambon Nok Ork, Pak Thong Chai district, Nakhon Ratchasima province. The investigation involved 25 barns of Tai Berng and five barns of the Mon, as well as barns made from bamboo. The Tai Berng originated from the Eastern Region and settled in the present community after the collapse of Ayuthaya. The livelihood and language of the ethnic group are similar to those of the Central Thais. For the ethnic group, rice barns were an economic indicator, the bigger the wealthier. As a farming society, they believed in the Goddess of Rice. Those born in the zodiac years of herbivorous animals were forbidden to take out rice from the barn. The Mon migrated to the village in 1775 during the Thonburi Period. They were also from a farming society and believed in the Goddess of Rice. For the ethnic group, rice was the food security of the family. Unhusked rice in the barn could be sold in times of financial difficulties. Labor from relatives and neighbors was asked to construct a barn, strengthening the social bond for the two ethnic groups.