Abstract: This article is the first part of 《Language Research of 唐三藏西游释厄传》,it is about the research of the sentences with word"被"in that book. The text can be divided into two parts. The first part expounds the useage of the different kinds of sentences with word"被"during Song D-,yuan D-,Ming D- and Qing D-; the second part analyzes and categorizes all the 131 sentences with word"被"in the book, compares the conclusion with 《西游记》,and proves that language feature is a very important basis to recognize the relation ...