L2 motivation has been proven to be an important factor for second language learning. The newly proposed framework of the L2 Motivational Self System by Dörnyei has offered researchers valuable insights into L2 motivation. However, few studies have been conducted on the L2 motivation of the English learners from a self perspective in the Chinese context. In consideration of the research gap and the distinctiveness of the Chinese high-school learners, this research aimed to explore L2 motivation among Chinese high-school students from the Self System perspective. A mixed methods approach of the questionnaire with follow-up semi-structured interview was utilized in the study. 128 students (randomly selected) from 4 high-schools in Wuhan in central China filled in the questionnaire survey, and six of them joined the interview. The results of the study showed that: 1) the key component of the L2 Motivational Self System, the Ideal L2 Self cannot be the reinterpretation of integrativeness in Chinese educational contexts; 2) among three dimensions of the Self system, the language learning experience had the highest correlation with learners’ motivation, followed by the Ideal L2 Self, with the Ought-to L2 Self produced the weakest correlation. Based on findings, some practical implications for English teaching are revealed. Keywords: L2 Motivational Self System, English language learning, Chinese high-school students, integrativeness, the Ideal L2 Self, the Ought-to L2 Self, language learning experience DOI : 10.7176/JEP/10-26-07 Publication date :September 30 th 2019