Doing international communication and enhancing the capacity of doing international communication are the current needs of national development and the corresponding research becomes a burning issue in philosophy and social sciences in China. Outward translation is an indispensable component of building international communication capacity. Based on the exploration of the attributes of outward translation, namely the attributes of political self-interest, intercultural and cross-border communication, this paper discusses the interdisciplinary theoretical foundation, operation mechanism and application fields of outward translation, so as to promote an in-depth development of outward translation at the theoretical level and help expand the practice in the backdrop of international communication.