1. Simple and clear design: PPT design should be simple and clear, avoiding too many words and complicated charts. Each page only shows one main point or information, so that the audience can quickly understand your point of view.

2. Use visual elements: Using visual elements such as pictures, charts and animations can increase the attraction of PPT and help the audience better understand and remember your point of view.

3. Consistency: The design of PPT should be consistent, including font, color and layout. This will make your PPT look more professional and help the audience pay more attention to your point of view.

4. Use stories: By telling stories, you can make your PPT more attractive. You can start with a specific example, then expand it step by step and finally summarize your main points.

5. Appropriate interaction: Add some interactive links in PPT, such as question and answer, voting, etc. , you can increase audience participation and make your PPT more interesting.

6. Pay attention to the ending: At the end of PPT, you should emphasize your main points and give your research results and suggestions. This is your last chance to convey information to the audience, so be sure to leave a deep impression on the audience.

7. Practice repeatedly: Before you answer, you should practice your speech and PPT repeatedly. This will help you get familiar with your content and help you find possible problems and make improvements.