Efforts to improve student English proficiency must be carried out to recognize English's relevance in increasing employment opportunities. Our aim is to look into the previous research concept about the English role in the growth of international business and social inequality. We established a content analysis for compiling several scientific articles collected from Korean science, Science Direct, Emerald, and books written by English education and marketing experts. Our analysis underlined that English, as an international language, plays a vital part in affirming global marketing. The English education system increase student ability to use English. Also, student English skill provides a broader choice of job opportunities.