English has a connection with all the Indo-European languages. Maybe it appears to be difficult for oriental people, but it is an easy job to western European and Russian people because the grammar and are similar to their mother language. Compared with Indo-European languages, English also bears the unique characteristics of the "universal language", that is diversity, flexibility, and adaptivity. Although the dominance of English originated from Britain and America, it is regarded as the official language bit is regarded as the official language by many countries in 5 continents. Meanwhile, the vocabulary of English is the greatest in the world, but people only have to master 1000 to 2000 words to communicate. In addition, non-English speakers are allowed to localize English and create English suitable for themselves, such as Singapore English, Chinese English, Japanese English, Western English, Creole, French English, and even German English, etc. It may also include pidgin English that appeared in Shanghai. In short, the dominance of English is represented in that it can tolerate non-English speakers to use broken English, thus making them feel English convenient and close to them, making English more universal. Thirdly, the universalness of English has a close relationship with its cultural value system. It is universally acknowledged that the cultural value system of Britain and America can encourage more innovation compared with other cultures. On the other hand, the marketization and technological power of British and American media make English a dominant language in international communication. The "Hollywood effect" and "silicon valley phenomenon" also worth mentioning here. The former are cultural products, which include English media, film, etc; the latter refers to the computer-based and internet-based technical products, all of which swept over the world, thus making English a popular language.