This paper takes up regulation between beams for the Tenshinin reception hall which is a semiautonomous subtemple of Obaku sect the Manpukuji for an example. This reception hall is what moved the Houzouin of construction from the character of a roof tile and the construction application for 1715, and the roof of Sikoro has had influence of the regulation between beams for 1668 pointed out in the conventional research. This paper On the other hand, the investigation in the half-demolition repairman for 2000-04, Based on the radiocarbon 14C dating performed to replacement material in 2011, the construction for 1715 is rebuilt, and the roof of Sikoro will point out a possibility that rebuilt is also influence of the target regulation in 1670.
