oliteness language in international business negotiations.Р2.3 Purpose and Significance:РFrom the perspective of pragmatics and the G. N. 1eech's theory: The Language Features of Business Negotiation Theories, Levison and Brown's face theory to research the politeness language principle in business negotiations. The research is negotiation, the principle of politeness and face theory, and the principle of politeness in international business negotiation. In order to acquire prehensive understanding of the politeness language in business negotiations, effectively apply the politeness strategy in business negotiations, reduce economic losses and risk of exacerbating business relations caused by improper applying in politeness language and offer some help to business negotiations, this thesis