How can one become a good teacher? There are some good elements that contribute to the qualities of a good teacher. These elements are as below: 1.Ethic devotion. 2.Professional quality. 3.Personal style. It is assumed that all responsible teachers have ethic devotion, and they all supposed to make their personal styles compatible with their work. These two aspects , which are beyond the scope of books, can be achieved as long as the teacher himself/herself has the willingness to do so. The most important part and most difficult part of making of a good teacher is the development of professional competence, which included a specific range of skills, strategies, knowledge, and ability. At first, teacher need a long time to take professional training. After that, the teacher will go though three stages: learning, practice, and reflection. In the end, the teacher would able to attain his/her professional competence after a long period of practice and reflection. Becoming a excellent teacher is not as accomplish in an action, thus every teacher needs establish a theory of lifelong learning. It will help us more close to a perfect teacher.