Literature Review of the Classifications of "Needs" in Needs Analysis Theory

Needs analysis makes it possible that the language course can cater to the needs of learners from different countries, different language levels and different targets. A well-established needs analysis may provide references for the policy making, curriculum design of foreign language teaching. This paper reviews the point of view of some researchers and tries to tease out the "needs" and its classifications in needs analysis theory with an aim to giving some implications to the study in the relevant field of study