Teachers' own situation is the internal and fundamental factor that affects their teaching efficiency. Teachers' teaching motivation, previous teaching success or failure experience, knowledge and skills, teaching strategies, emotional anxiety and stress, physical condition, gender, teaching experience and disciplines all affect teachers' teaching efficacy. First of all, only when teachers learn professional knowledge, psychology and pedagogy well in professional schools will they have the confidence to choose a teaching profession, and they will have the ability and belief to be qualified for a teaching profession when they take up their posts. If a teacher doesn't have extensive and profound knowledge or what he has learned is useless, even if he barely becomes a teacher, he will have doubts about whether he can teach his students well, and he won't have much confidence. Of course, his teaching efficacy will not be high. Secondly, the influence of teachers' teaching motivation on teachers' teaching efficacy. "Motivation is the most basic factor for teachers to engage in education and teaching." It's hard to imagine a person who has no interest in his own education, gets upset at the sight of students, and will actively evaluate, feedback and standardize his own teaching activities ...