This course aims to teach students the classical models and analysis methods in the field of financial time series. Besides mastering the theoretical knowledge of time series models, students are also expected to be capable of modelling the time series data in real financial markets. In addition, this course also introduces some related contents at the forefront of research in this field.The theoretical contents of this course will be instructed in details in class, and the software R will be used in the real applications of time series models.