Step 2: Draw and talk. Let the students listen, follow the pen tip with their eyes, and the brain is thinking and remembering at the same time, so that the students can quickly grasp the characteristics and writing methods of the stroke unconsciously (if the similar strokes are compared, the effect is better. Easy to distinguish and avoid confusion). Generally speaking, it is best for intensive teaching to take up about 5- 10 minutes in a class, and it is not appropriate if it is more. It is necessary to highlight the "essence".