Teachers are the cornerstone of education，and the building of high-quality teachers is an important starting point and key measure to promote education development and improve the quality of education. The only way to achieve the high-quality development of high school education is to improve the overall quality of teachers. The fundamental part of cultivating talents in the new era lies in “cultivating people by virtue”. As the key role in cultivating talents，the high-quality development of-teachers is very important. Since the end of the 20th century，the CPC Central Committee and the State Council attach great importance to the development of quality education and the construction of teachers，and have issued a series of relevant policies on the development of teachers，taking improving the quality of teachers as an important link in promoting the development of education. This paper reviews the evaluation mechanism and path of high-quality development，and summarizes the shortcomings of the past，arguing that teachers should actively adapt to the changes of post-epidemic education and improve their comprehensive quality. In the teacher development system，the professional development is the key to develop the correct and effective training mode of AI+teachers and promote the construction of high-quality teachers.