This study is to examine the Architectural of the Jea-Sil in Jeonalbukdo Province The results of this study are as follows: first, Location of the Jea-Sil is mostly found at mountain in back of the village. According to the period, it was built back or inside th village. The location of the houses built of ancestral rites was mostly 二letter type, second, The base was built whit natural stone or ground stones, lay circular footstone on it and The upper structure has the most general structure type of 1 goju and 5 sections and the roof type was Paljak roof. third, The front was made of three to seven rooms, but it was mostly four room structure.