1. The literal meaning of educational psychology is the psychology of studying teaching;

2. Although it is an interdisciplinary subject between pedagogy and psychology, it belongs to applied psychology. But it is not the application of general pedagogy, nor the application of general psychology;

3. As an independent discipline, it has its own research field, that is, the basic laws of teachers' teaching and students' learning. On the one hand, it provides a new perspective of psychology from the perspective of education. On the other hand, it provides teachers with theoretical knowledge of psychology and methods to solve practical problems.