How to make a conference banner on the photos taken with a mobile phone?

You can customize the banner by looking for stickers on the retouching software.

Or select a bubble like a banner in the text and add the text to the bubble. Open Meitu Xiu Xiu first. Open a picture casually, and then click: New. Width 300* height 50* Customize your favorite color, and then there will be one. Save the bar. Then open the original picture and insert the saved bar. Then, when you see the column, click it and make it transparent and enlarge it by yourself.

Open the text above Meitu Xiu Xiu, and then enter static text in the horizontal border.