How to make the background of ps exhibition frame? How to design a beautiful background? Background is often used when designing background in ppt. This is a common technique at present, which can be said to be very good, and makes our ppt design graphics more intuitive and clear. Let's study together. 1, using rounded rectangles When using rounded rectangles to make background pictures, is the effect of using rounded rectangles smooth and in line with the theme requirements? Below we can make a set of backgrounds with rounded rectangles. 2. Draw a large rectangle with a rounded rectangle, and then use the filter-windmill tool in the plug-in. Draw a circle to adjust. As shown below, use the rectangle tool to draw the background of a set of windmills, and then use Edit-Condition-View to make one. 3. Use it next. Make a new document.