Shirakawa Shizuka recognizes the Chinese Character before the Warring States Period as a kind of sacred one which exists in a way of series. For example, he interpreted the meaning of ‘Kou (口)’ according to its structure prior to the Period, regarding the meaning as the symbolization of an instrument used for praying. Then, he thought all the Chinese Characters with the structure element of ‘Kou’ should belong to the sacred. But his recognition is not correct. First, the interpretation of ‘Kou’ as the prayer instrument with the prayer character is wrong. So, the interpretation of serial characters of ‘Kou’ based on his misinterpretation of ‘Kou’ also proves to be wrong. Second, except the abovementioned mistakes, Shirakawa Shizuka made some other mistakes in his research on the serial characters of ‘Kou’ as well. But in this paper, we will just take examples of the characters such as ‘Gao (告)’, ‘Yue (曰)’, and ‘Yan (言)’, to point out the mistakes.