The Qin resembles the soldier house of Tuntian Bing Village, where the soldiers were stationed at that time. Tuntian soldiers are militia formed for the security and development of Hokkaido. In peacetime, agriculture is the main part and military affairs are carried out at the same time, which is quite similar to the system of farming in ancient China. It also preserves the barracks, wooden structures and wooden floors where the Tuntian soldiers lived, with a strong traditional Japanese flavor.