Why English Is Important Because In today’s global world, the importance of English can’t be denied and ignored since English is the most common language spoken ever where. With the help of developing technology, English has been playing a major role in many sectors including medicine, engineering, and education, which, in my opinion, is the most important arena where English is needed. Particularly, as a developing country, This can merely be based on the efficiency of tertiary education. The main reason to study English is in order to advance in the professional world, you must have proper English and good speech. In Thailand that it helps students find a high quality jobs for students to find. In business life. The most important reason, for English to be the medium of instruction in the Turkish higher education system is that it enables students to communicate with the international world.