(For many e-commerce designers, it is not easy to design a reasonable poster. They face four common problems in poster design: unclear theme, typesetting, misuse of decoration and color matching! For many beginning e-commerce designers, these two problems need to be solved: 1. How to integrate the existing single material into the required pictures; 2. How to make the picture more reasonable and more in line with the requirements of market and operation. Through this tutorial, we can get a very clear understanding.)