Based on Adaptation and Selection theory,the combination of Memetics and Eco-Translatology theories provides the translator with a new perspective of Memetic and Ecological Balance from a macroscopic level. In terms of microscopic level,linguistic memes,cultural memes and communicative memes are transformed in the translating process of tourism materials in Hunan province. With these translation strategies to keep the ecological coordination and balance between source text and target text,the translation quality of tour...