安陽殷墟出土的近十五万片甲骨刻辞中,内容包括广泛,其中既包括龟甲兽骨正面的刻辞,也包括龟甲兽骨背面、侧面及骨臼部位所契刻的刻辞。在整理编辑1973年安陽小屯南地出土的甲骨资料过程中,发现一批牛肩胛骨背面刻有“干支”的记事刻辞,后又在以往的甲骨著录中又角数片发现。在《屯 Nearly 150,000 pieces of oracle bone inscription unearthed in the Yin Ruins of Anyang include a wide range of engravings including both the frontal engraving of the turtle bones and the inscription engraved on the back, side and bone of the turtle bones. In sorting and editing the oracle bone material unearthed in Xiaonan South of Anyang in 1973, a number of diacritics engraved with “dry branches” were found on the back of the scapula of cattle and were later found in the number records of oracle bones in the past. In the "Tuen