In recent decades, China has witnessed great developments in its economy, intercultural communication, and English education. English was a compulsory course taught in secondary schools and first two years of universities as a foreign language in most places. The large number of English learners leads to many sophisticated researches focusing on English education in China. Motivation is an essential factor in mastering a second language. This essay aims to investigate the motivation in my 13 years’ English learning and its influences on my actual learning process, and thus promote English education in China. Dörnyei’s L2 Motivational Self System was chosen as a guided theory since it combines a lot of important theoretical L2 approaches and elaborated motivation in a rather comprehensive way. In this essay, I will first briefly discuss the concept of L2 Motivational Self System. Then, I will analyse how the motivations affect my learning process with the guidance of L2 Motivation Self System. Finally, I will explore the effective application of this theory in teaching English to Chinese speakers.