Educators refer to those who have a direct influence on the quality development of learners, including school teachers, designers and writers of educational plans and textbooks, educational administrators and other personnel involved in educational activities. Among them, school teachers are the main body of educators, the most direct educators and play a leading role in educational activities.

The subjectivity of educators is manifested in many aspects: a educators are the designers, implementers and organizers of educational activities, and play a leading role in the whole educational activities; B Educators are the guides, helpers and evaluators of students' learning activities, which play a role in correcting the direction, adjusting the content, stimulating the motivation and teaching methods of the whole learning activities; C Educators' education reflects the needs and personality of society and controls the promotion of the whole education process and the setting of educational content, so the quality of educators' teaching restricts the quality of students' development to a great extent; D The content of educators' educational activities affects the content of students' learning activities and controls the time and effect of students' activities, so it occupies a dominant position in educational activities.