1, with Baidu images, search for "refreshing background", you can see a lot of good pictures, the cursor moves to the picture, right-click, select "Save Picture As", the picture will be saved to the computer, in the PPT material insert the downloaded picture as a background.
2. Use Baidu image, search for "medical logo", select the characteristic picture to save as. These pictures can be used as the text of the PPT, inserted into a small corner, so that the PPT page looks more professional.
3, choose to report on the content of the picture, a small amount of insertion, to enhance the intuition of the description.