1. Determine the theme and content: according to the requirements and topics of the competition, determine your own theme and content, select representative and fascinating cases, stories or explanation points, and strive to be simple, vivid and interesting.

2. Do a good job in teaching design: carefully design the teaching process, teaching methods and teaching means to make the whole classroom logical and interactive and avoid monotony and boredom.

3. Grasp the rhythm and time: 10 minutes is very tight, so we should arrange the content and rhythm reasonably, grasp the key points, and avoid repetition and waste of time.

4. Pay attention to details and effects: When making videos, you need to pay attention to details and effects, such as image quality, sound effects and subtitles. Make the whole video more beautiful and professional.