Abstract: English vocabulary develops quickly. The main reasons for its development are the rapid development of science and technology, the instability of the world situation and social and political changes. And we must pay attention to the “sick world”, which is another reason. It is very important for the English learners to keep up with the development of English new words in order to learn English well.

Key words: English vocabulary, reasons, ways to form new English vocabulary

摘要：英语词汇发展迅速。其发展的主要原因是科技的迅速发展，政治局势的不稳定，社会和经济的变化。同时我们又应该注意这个生病的世界是另一个原因。跟上英语词汇发展的脚步对于想学好英语学习者是非常有重要的。

关键词：英语词汇，原因，英语新词汇形成的方式