Whatever people do, they need a good reason to persuade them into doing so, and it is the same case with language study, which is known as motivation. Lack of motivation is perhaps the biggest obstacle faced by teachers in their teaching process. Behavioral problems in the classroom often, or always, seem to be linked to the lack of motivation. Therefore, how to motivate students in their English study is worth our great attention and more intensive exploration. In this article, factors effecting the development of students' motivation and approaches to put motivation into better use will be mentioned with a view to aiding learners to make greater improvements.