随着２１世纪知识经济时代的到来，国际竞争日益激烈，国际交往日益扩大，我国改革开放步伐进一步加快，这给培养公安人才素质提出了新的要求。本文论述了培养公安大学生英语语言能力的意义，提出了只有坚持改革，才能培养和提高学生英语语言能力的思路。 With the arrival of the era of knowledge economy in the 21st century, the international competition is getting fiercer and the number of international exchanges is expanding day by day. The pace of China’s reform and opening up is further accelerated, which sets new requirements for training public security professionals. This article discusses the significance of cultivating English language ability of public security college students and puts forward the idea of ​​cultivating and improving students’ English language ability only when they insist on reform.