Learning analytics, as an emerging discipline, has exhibited extraordinary impact and drawn attention within the field of learning design and technology (LDT). This chapter discusses what learning analytics is, what methodologies and techniques involve in learning analytics, how learning analytics can be applied in the field of LDT, and what benefits and challenges may be met during the application process. In addition, after reading this chapter, people can better understand the connection, similarities, and distinctions between learning analytics and educational data mining.