It is known that the influence of mother tongue always interferes with our study of
foreign languages,and it is the same with English study.But if we use the method of contrastive
analysis to find the similaritites and differences between the two languages in our English
learning,we can easily change these interferes into the advantage of English study. In order to
find the efficient way of English teaching and study,the article uses contrastive method to analyse
the passive voices of English and Chinese so as to speed our teaching and study both on English
and Chinese.