so the picto-phonetic studying is the hot point in scriptlogy in the available studying, scholars mainly study alphabets, take attention on origin and emergence of picto-phonetic character, or discuss its social reason on macro side.

There are 9431 Seal script characters in this book, of which more than eighty percent are homophone characters.

Then we get 375 sets of words which have paranomastic relations,on the basis of comprehensive surveys,we analyze the phonological and semantic relations of the 375 sets of words,collect the exegesis terms used by Yan Shigu,and at last,conclude the value and deficiency of the paranomastic glosses from Han Shu noted by Yan Shigu.