1, open the comparison template before and after Powerpoint improvement.

2, write the title of the improvement project, the title should be clear, what changes have been made in the content.

3. Fill in the text before and after the improvement. The main actions before and after improvement and the harm caused.

4. Add pictures before and after improvement. The pictures should be neat and clear, highlight the contrast content, pay attention to the near and far photos, and pay attention to the contrast between the whole and local photos.

5. Add the main action changes before and after the improvement, the effect before and after the improvement, the effect is expressed by data, the person who improved, the end time, and whether it was completed.