1, "Simu Wuding" was changed to "stepmother Wuding" because the inscription "Hou" on the cauldron was written backwards. At that time, scholars thought it was "Si", meaning "Sacrifice".

2. In Oracle Bone Inscriptions, many characters can be written left and right. These words are the same word whether they are written left or right, and they are generally good. In other unearthed cultural relics of Yin ruins, such as the round tripod in the tomb of Yin ruins, there is also the word "Hou" written on the left and right, but it is also considered to be the same word. But unlike other characters that can be written left and right, the reverse writing of the word "Hou" not only represents the difference in writing, but also represents the difference in writing.