English () of spending the indo-european language family puxi west Germanic branch. It is the modern language most influence of a kind of language. Many countries and regions to English is the official language, it is also one of the working languages of the United Nations. Because the ever in history and DuoZhong national language contact, it's from a dollar into DuoYuan vocabulary, grammar from "more inflectional" into "little inflectional", voice has also had the regular changes. Two century Britain and the United States in the cultural, economic, military, political and scientific leadership makes English become a quasi international language. Today, the English in the international communications technology, the most widely used English vocabulary basically has become a common international term. More than 60% of the world's letter is written in English, more than 50% of the newspapers and magazines are in English.

English is the most widely popular in the world of one of the language. At present on the world speak English as their first language (native language) of the population about 300 million, as a second language use of the population about 250 million. In addition, the English as a foreign language use of the population about 3 ~ 500 million. English has gradually become a neutral information media.

Due to the use of English a wide range, inevitably is made up of many regional variants, some linguists already no longer take London or British upper society people's English as the only standard English, but as one of the area to look at English. In addition to the British English, most notably American English. American English and British English in pronunciation has quite obvious difference, the difference is not a spelling, in terms of American English, has long to British English for standard. After the second world war, as the mass media rapid development, the American English has in turn affect to British English, and is expanding increasingly this effect. In literary works, this two kinds of English difference is quite obvious, but in academic, science and technology, and the two countries, used is a neutral common style.

In addition to the U.S. English outside, still have a Canadian English, Australia, New Zealand, South Africa, such as English, English, they also have their own regional words and grammar. Like other Indian English, southeast Asia English, the Caribbean English and some African emerging countries, and all their English vocabulary with voice and the characteristics.