Abstract: A language is the most important communicative tool,but not the only one. Besides language,non-language tools such as expressions,actions,gesture,tones,clothing, time,and space are also used in people s communication.Among which,those closely related with body are termed as body language,of which hand signals is the most widely used one.This paper mainly stresses the close relationship between body language and economic activity,mentions its important role in our business life,discusses the relationship bet...