This study attempted to analyse the concept of learning in ‘learning to learn’ and elicit the research topics for the development of the theoretical framework. Generally speaking, the theory of 'learning to learn' should include the answers on following three questions or components: 1) what is learning to be learned? 2) how people learn to learn? 3) how to help people learn to learn? All three components of ‘learning to learn’ are important for the development of theory, but the first components is the most important. Because the inquiry of the two components must premise the first logically and practically.
This study analysed the concept of learning that ‘learning to learn’ researchers have made an assertion what people learn. Their opinion could be divided into four classes; study skills, metacognition and learning strategies, specific learning type, and open type. Lastly, I suggested four topics for constructing of learning as a subject to teach and learn. That is the resolve of general and specific dilemma, the components of learning competence, the aspect of learning development, and the evaluation of learning development.