In the English language, idioms are one of issues that have never been studied comprehensively. There are many interesting topics in this valuable treasure of the language, and money is not an exception. I would like to choose the humble thesis ‘Meanings of the word ‘money’ in English idioms’ to study. My study consists of three parts: introduction, development and conclusion. Introduction introduces the rationale, the aims, the scope, the method as well as the design of the study. Development, the main part of the study, contains three chapters in which I represent the literature review, the English and Vietnamese people‘s views on ‗money‘ and the idiomatic expressions containing the word ‗money‘ in English and Vietnamese. The literature review consists of the theories of the idioms and ‗money‘ as an ordinary word and as a term in finance. The main part of the study is the idiomatic expressions containing the word ‗money‘ in English and Vietnamese focusing on the meanings of the English idioms containing the word ‗money‘ and a comparative analysis with Vietnamese ones. Conclusion contains the findings coming from the above comparative analysis.