Sociolinguistic competence is essential for foreign languagelearners to acquire effective communication becausecommunication is subject to social appropriateness.Differentlanguages,however,have different sociallinguistic rules(Wolfson,1989),the knowledge as to what is appropriate tosay to whom,and under what conditions.This paper attemptsto study requests in Chinese and English contrastively,in orderto account for the Chinese transfer influence and the pragmaticfailure in the use of English by Chinese students of English,andto draw pedagogical implications.