As the teacher's basic psychological needs, autonomy is a psychological tendency to make independent judgment and choices based on the intrinsic interest and values in the process of professional activities and development of teacher who is able to carry out their decisions and take responsibility for them.As the professional traits, autonomy is a behavioral tendency to make independent operation and behavior for the teacher who will not be affected by direct supervision from the administration and supervision system, and don't succumb to pressure and impact from the leaders, colleagues and parents in their job.It will provide new ideas and positive enlightenment to promote teachers' mental health and the level of teacher development in the view of individual needs and personality traits to understand teacher autonomy.