Abstract: GUO Song-tao had the idea of opening up to the outside world in his early wandering years when he was exploring the foreign affairs and according to his experiences when he served as diplomat in Britain and France, which mainly includes a practical view of China and the west, a comprehensive view of opening up to the outside world and a progressive view of society. His comprehensive and profound idea not only has an important influence upon the contemporary China but also is worth learning to the present re...