Idea is the forerunner of action. Only when we set up the right idea can we have successful practice. Effective teaching requires teachers to pay attention to the development of students, and teachers' professional development level is the direct factor affecting effective teaching. It can be seen that effective teaching, student development and teacher development are closely related to each other. The ultimate goal of effective teaching is the common development of students and teachers. The professional development of teachers is to make both teachers and students succeed in the process of school education