Abstract: Language Value is the internal driving force of the international communication of language,and envionmental factors are the external driving force of it.Language value can be viewed in both personal and national aspects,and the environmental factors influencing the international communication of language include political,economic,military-related,cultural,educational,scientific and technological ones as well as those of language policies,language awareness and international enviroment.The mechanism of the driving forces behind international communication of language lies in a process of interactions between internal and external influencing factors,and it takes on the traits of complex networking and nonlinearity.

Key words: language value, international communication, driving forces, mechanism