Advertisements are mostly physical materials that need advertisements, so the requirements for hand-drawing are not very high, as long as the software is operated. As for the application software, Photoshop is suitable for rendering renderings, and of course it can also produce input effects. CorelDRAW and AI are relatively better, and the vector image output will not be distorted. Usually, as long as they can skillfully operate these three softwares, there is no problem.