This paper intends to describe Bandura's social learning theory, including "Observational learning", "Reciprocal determinism", and "Selfefficacy", and then tries to think about what we can learn from those three points. "Obervational learning" has to go through four processes in order to do learning more effectively. The four processes are "Attentional processes", "Rententional processes", "Behavioral production processes", and "Motivational processes"; According to "Reciprocal determinism", the factors of environment, person, and behavior have mutual influence on each other. This will make us try not to judge peoples' behaviors by just one single factor. In view of "Self-efficacy", the level of a sense of efficacy is so set according to the understanding of internal ability and external environment. If those three points could to better coordinated, the whole process of learning would be better and easily done.