The decorations were made on the side or cover of kurinuki-style (hollowed) stone coffin in the early Kofun period, on the upper side of cover of combinational large oblong chest stone coffin, the cover and the inner or outer side of iegata sekkan (house-shaped stone coffin), box type stone coffin in the middle period, and the horizontal stone chamber was decorated with carvings and colors which was done the whole chamber around the early fifth century.
初期には刳抜式石棺（くりぬきしきせっかん）の側面や蓋の上に、中期には組み合わせ式長持ち石棺の蓋の上面、家形石棺の蓋および棺の内側や外側、箱形石棺にも、そして、5世紀前半頃には横穴式石室にも彫刻や彩色の方法で装飾が施され、さらには石室内全体にまで及んだ。