The Collection of Characters of the Warring States Period edited by Tang Yuhui, includes the most abundant forms of Characters of the Warring States Period up to now. Characters on ancient seals are one type of Chinese Characters it recorded, which accounts over 1/4 among the total number of the characters. According to recently related research achievements, we made a revision of these missing prefixes of Chinese characters, forms of characters on ancient seals and other different mistakes in the Collection of Characters of the Warring States Period.