Education, which results in a deep influence for personal and social development, is important for people. Teachers need to understand the essence of education, and can have a more in-depth educational awareness. And then teachers will enable students to lead healthy and fulfilling lives. For the reason, this essay is mainly to explore educational essence from the perspectives of educational aim, educational function and educational process. It is hoped that such an exploration can make teachers understand the essance of education, and practice a more reasonable education. Moreover, students can develop a healthy body and mind, and become a good citizen in the future.