An appropriate compliment can gain the opponent’s good impression and trust, and decrease their negotiation distance. Thus the research of the compliments is indispensable and essential. But for people from different countries, different cultural may lead them to misunderstanding of the compliments. Especially in cross-cultural business negotiations, successful compliments can play a significant role in the relationship-building and maintaining relationship, which can make the negotiations proceed smoothly. All in all, the author concludes that compliments are positive politeness strategies that create or reinforce solidarity. In addition, compliments can be used to strengthen or even to replace other speech act formulas, and it is common to find complimentary expressions in one’s extending gratitude, apology and greetings.