This paper presents Academic Language Proficiency and how to use general and content-specific vocabulary, specialized or complex grammatical structures-all for the purpose of acquiring new knowledge and skills. English for Academic Purposes (EAP) has emerged out of the broader field of English for Specific Purposes (ESP). EAP teachers often attempt to choose the best way to assist students with Academic English. EAP educators show wholeheartedly their expertise in classroom instruction, their responsiveness to students' needs through educational programs arranging and materials improvement.