Most of the PS skills needed to work in a photo studio belong to whitening, color matching, slimming and peeling, mainly dealing with artistic photos of wedding photos. This required experience requires you to do more and practice more to reach the level of proficiency. According to your current PS foundation, find more internships. After you go, people should be able to ask you to learn more practical experience. In fact, regardless of high-end photo studios, they also have simple treatment methods. The main film was really carefully repaired.

For the graphic design required by the printing house, you must have enough PS skills to change words or something. As for CAD, it is not a big printing house, nor does it include design drawings. What you need to know is how CAD prints drawings and brushes fonts, so that fonts can be displayed when printing. That's basically all, mainly because you have to use the large hardware printing equipment of the printing factory.