Significance of teaching special lectures: special lectures are to meet the urgent needs of school education and teaching, and the school allows key teachers to set up special lectures independently in a planned and purposeful way.

The function of giving special lectures: it can be one or several lectures around a special topic. In training, schools should pay attention to the teachers' digestion of the lecture content of key teachers.

By discussing and writing papers, we can test the improvement effect of teachers' teaching philosophy and teaching ability. Special lectures should have the characteristics of novel content, strong pertinence, timely response and large amount of information, which is helpful for participating teachers to broaden their horizons, update and enrich their knowledge, change their concepts and inspire their thinking.

The concept of teaching observation:

Teaching observation. The concrete implementer of teaching observation should be the backbone teachers. Through teaching observation, the demonstration of backbone teachers can play a radiation role. Therefore, teaching observation should focus on the needs of school education reform or practical work, including updating teaching concepts, objectives and requirements.

Of course, this kind of teaching observation is not a performance class, not a demonstration class, but a seminar class and a research class. It pays attention to team spirit. Although there are differences in understanding between the lecturer and the audience, they all study, practice and discuss around the theme, inspire each other, learn from each other's strengths and improve together.