For a long time, the study of motivation never fails to fascinate. English learning motivation is considered to be the vital factor that affects the success of English learning, and it exerts a great influence on learners. It is universally acknowledged that there are serious of theories about motivation in the world such as Maslow’s theory of motivation, Bandura’s self-efficacy and Wiener’s attribution theory.Certainly, these theories provide a significant basis for related researches. Thus, this study is mainly based on the theory of Deci and Richard to investigation and exploration. They hold that Motivation theories were built on a set of assumptions about the nature of people and about the factors that give impetus to action. These assumptions, and the theories that follow from them, can be viewed as falling along a descriptive continuum ranging from the mechanistic to the organismic Mechanistic theories tend to view the human organism as passive, that is to say, as being pushed around by the interaction of physiological drives and environmental stimuli whereas organismic theories (Deci and Richard 1985: 3).