As the reflection of culture and the special part of language

idioms are daily expressions which are shaped by people’s long-term using and generalization of language and are used frequently in daily conversations and written forms. With the development of cross-cultural communication

researching idiom meanings of different nations plays a more important role in cultural communication and integration. Idiom has its own abundant cultural connotation

so Chinese and English idioms have kinds of differences because of the cultural differences. To research the origins of the differences between Chinese and English idioms

the thesis analyzes differences in diet

animal

numeral and color-related idioms with dozens of examples

and further discusses cultural differences of different nations from four aspects: geographical features

religious beliefs

cultural origins

traditions and customs. The results may further expand English learners’ knowledge

so they could adopt the deep approach to stimulate their interests of study and improve their learning skills

so as to learn language more accurately and effectively.