Renew professional knowledge and improve language literacy. One of the important contents of teachers' professional development is to master and constantly update their professional knowledge. The professional knowledge that an English teacher should have includes systematic basic knowledge of English language such as English grammar, vocabulary, pronunciation and discourse, solid basic language skills and good comprehensive language application ability; Teachers should be able to implement classroom teaching in English, read professional literature and participate in academic exchanges. At the same time, teachers should also have a strong awareness and ability of cross-cultural communication, and can constantly update their language knowledge with the development of society and language, and strive to improve their English language literacy.

Constantly accumulate subject teaching knowledge and improve teaching practice ability. English teachers' professional knowledge includes not only subject professional knowledge, but also subject teaching knowledge, that is, teachers help students build language knowledge and develop language ability through effective teaching. Teachers should use the knowledge of pedagogy and psychology, explore the objective laws of students' learning English according to the cognitive development characteristics of children and adolescents and the environment of China students' learning English, determine reasonable and operable teaching objectives under the guidance of English teaching theories and methods, design reasonable, coherent and clear teaching steps, creatively choose and use appropriate teaching methods, rationally use modern educational technology, effectively organize and implement classroom teaching, and develop students' English language knowledge and ability. In teaching, teachers should also observe the process of teaching and learning, monitor the effect of teaching and learning, adjust teaching objectives, contents and methods in time according to needs, improve practical teaching ability and achieve the goal of effective teaching.

Carrying out teaching reflection and promoting the sustainable development of specialty. Teaching reflection is a process of constantly discovering, analyzing and solving problems, and it is an important way for teachers' professional development. Through practice and reflection, teachers organically integrate subject knowledge and subject teaching knowledge, deepen their understanding and understanding of the education and teaching process and students' learning process, and form independent professional development consciousness and ability.