Tourism of Yunnan is well developing in recent years, and tourist guide who was regarded as the soul of it,still needs to be promoted in guiding whatever in the guiding speech or their practical skills. Taking English tourist guides in Yunnan for example, since this is a land with rich resources including the colorful minority cultures and superb landscapes. That is to say when they communicate with foreign guests they are playing the important roles of being translator and culture transferor. This thesis explores the relationship between translation and culture-exchange and the ways should be applied by the English tourist guides to be a qualified one.