Sun Tzu's Art of War is a magic weapon for winning in ancient military strategies.It is well-known and has been passed down to this day.Now it is increasingly used in business negotiations and plays an important role.The cor-rect use of the art of war in business negotiations can not only help negotiators gain the initiative,but can even play a role in turning the situation around.Through specific cases,this paper introduces the specific role of art of war in busi-ness negotiations and the principles that need to be followed in the process of application.