Due to the lack of understanding of the construction of teachers' professional ethics and competence, there are some problems among teachers in their professional ethics and competence. The lack of understanding of the value of the construction of teachers' professional ethics and competence is an important reason for the problems mentioned. Through strengthening the understanding of the value, we can constantly improve the construction of teachers' professional ethics and competence from the improvement of teachers' ethics, moral quality, institutionalization and daily construction.